---
_id: '44892'
author:
- first_name: Ayoub
full_name: Hamdoun, Ayoub
last_name: Hamdoun
- first_name: Rolf
full_name: Mahnken, Rolf
id: '335'
last_name: Mahnken
citation:
ama: Hamdoun A, Mahnken R. A finite strain gradient theory for viscoplasticity by
means of micromorphic regularization. PAMM. 2023;22(1). doi:10.1002/pamm.202200074
apa: Hamdoun, A., & Mahnken, R. (2023). A finite strain gradient theory for
viscoplasticity by means of micromorphic regularization. PAMM, 22(1).
https://doi.org/10.1002/pamm.202200074
bibtex: '@article{Hamdoun_Mahnken_2023, title={A finite strain gradient theory for
viscoplasticity by means of micromorphic regularization}, volume={22}, DOI={10.1002/pamm.202200074}, number={1},
journal={PAMM}, publisher={Wiley}, author={Hamdoun, Ayoub and Mahnken, Rolf},
year={2023} }'
chicago: Hamdoun, Ayoub, and Rolf Mahnken. “A Finite Strain Gradient Theory for
Viscoplasticity by Means of Micromorphic Regularization.” PAMM 22, no.
1 (2023). https://doi.org/10.1002/pamm.202200074.
ieee: 'A. Hamdoun and R. Mahnken, “A finite strain gradient theory for viscoplasticity
by means of micromorphic regularization,” PAMM, vol. 22, no. 1, 2023, doi:
10.1002/pamm.202200074.'
mla: Hamdoun, Ayoub, and Rolf Mahnken. “A Finite Strain Gradient Theory for Viscoplasticity
by Means of Micromorphic Regularization.” PAMM, vol. 22, no. 1, Wiley,
2023, doi:10.1002/pamm.202200074.
short: A. Hamdoun, R. Mahnken, PAMM 22 (2023).
date_created: 2023-05-16T12:21:32Z
date_updated: 2023-05-16T12:23:15Z
department:
- _id: '9'
- _id: '154'
- _id: '321'
doi: 10.1002/pamm.202200074
intvolume: ' 22'
issue: '1'
keyword:
- Electrical and Electronic Engineering
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
publication: PAMM
publication_identifier:
issn:
- 1617-7061
- 1617-7061
publication_status: published
publisher: Wiley
quality_controlled: '1'
status: public
title: A finite strain gradient theory for viscoplasticity by means of micromorphic
regularization
type: journal_article
user_id: '335'
volume: 22
year: '2023'
...
---
_id: '45134'
abstract:
- lang: eng
text: 'The aim of the present study was to investigate if the presence of
anterior cruciate ligament (ACL) injury risk factors depicted in the laboratory
would reflect at-risk patterns in football-specific field data. Twenty-four female
footballers (14.9 ± 0.9 year) performed unanticipated cutting maneuvers in a laboratory
setting and on the football pitch during football-specific exercises (F-EX) and
games (F-GAME). Knee joint moments were collected in the laboratory and grouped
using hierarchical agglomerative clustering. The clusters were used to investigate
the kinematics collected on field through wearable sensors. Three clusters emerged:
Cluster 1 presented the lowest knee moments; Cluster 2 presented high knee extension
but low knee abduction and rotation moments; Cluster 3 presented the highest knee
abduction, extension, and external rotation moments. In F-EX, greater knee abduction
angles were found in Cluster 2 and 3 compared to Cluster 1 (p = 0.007). Cluster
2 showed the lowest knee and hip flexion angles (p < 0.013). Cluster 3 showed
the greatest hip external rotation angles (p = 0.006). In F-GAME, Cluster 3 presented
the greatest knee external rotation and lowest knee flexion angles (p = 0.003).
Clinically relevant differences towards ACL injury identified in the laboratory
reflected at-risk patterns only in part when cutting on the field: in the field,
low-risk players exhibited similar kinematic patterns as the high-risk players.
Therefore, in-lab injury risk screening may lack ecological validity.'
article_number: '2176'
author:
- first_name: Stefano
full_name: Di Paolo, Stefano
last_name: Di Paolo
- first_name: Eline M.
full_name: Nijmeijer, Eline M.
last_name: Nijmeijer
- first_name: Laura
full_name: Bragonzoni, Laura
last_name: Bragonzoni
- first_name: Alli
full_name: Gokeler, Alli
last_name: Gokeler
- first_name: Anne
full_name: Benjaminse, Anne
last_name: Benjaminse
citation:
ama: 'Di Paolo S, Nijmeijer EM, Bragonzoni L, Gokeler A, Benjaminse A. Definition
of High-Risk Motion Patterns for Female ACL Injury Based on Football-Specific
Field Data: A Wearable Sensors Plus Data Mining Approach. Sensors. 2023;23(4).
doi:10.3390/s23042176'
apa: 'Di Paolo, S., Nijmeijer, E. M., Bragonzoni, L., Gokeler, A., & Benjaminse,
A. (2023). Definition of High-Risk Motion Patterns for Female ACL Injury Based
on Football-Specific Field Data: A Wearable Sensors Plus Data Mining Approach.
Sensors, 23(4), Article 2176. https://doi.org/10.3390/s23042176'
bibtex: '@article{Di Paolo_Nijmeijer_Bragonzoni_Gokeler_Benjaminse_2023, title={Definition
of High-Risk Motion Patterns for Female ACL Injury Based on Football-Specific
Field Data: A Wearable Sensors Plus Data Mining Approach}, volume={23}, DOI={10.3390/s23042176}, number={42176},
journal={Sensors}, publisher={MDPI AG}, author={Di Paolo, Stefano and Nijmeijer,
Eline M. and Bragonzoni, Laura and Gokeler, Alli and Benjaminse, Anne}, year={2023}
}'
chicago: 'Di Paolo, Stefano, Eline M. Nijmeijer, Laura Bragonzoni, Alli Gokeler,
and Anne Benjaminse. “Definition of High-Risk Motion Patterns for Female ACL Injury
Based on Football-Specific Field Data: A Wearable Sensors Plus Data Mining Approach.”
Sensors 23, no. 4 (2023). https://doi.org/10.3390/s23042176.'
ieee: 'S. Di Paolo, E. M. Nijmeijer, L. Bragonzoni, A. Gokeler, and A. Benjaminse,
“Definition of High-Risk Motion Patterns for Female ACL Injury Based on Football-Specific
Field Data: A Wearable Sensors Plus Data Mining Approach,” Sensors, vol.
23, no. 4, Art. no. 2176, 2023, doi: 10.3390/s23042176.'
mla: 'Di Paolo, Stefano, et al. “Definition of High-Risk Motion Patterns for Female
ACL Injury Based on Football-Specific Field Data: A Wearable Sensors Plus Data
Mining Approach.” Sensors, vol. 23, no. 4, 2176, MDPI AG, 2023, doi:10.3390/s23042176.'
short: S. Di Paolo, E.M. Nijmeijer, L. Bragonzoni, A. Gokeler, A. Benjaminse, Sensors
23 (2023).
date_created: 2023-05-19T09:09:49Z
date_updated: 2023-05-19T09:13:42Z
department:
- _id: '17'
doi: 10.3390/s23042176
intvolume: ' 23'
issue: '4'
keyword:
- Electrical and Electronic Engineering
- Biochemistry
- Instrumentation
- Atomic and Molecular Physics
- and Optics
- Analytical Chemistry
language:
- iso: eng
publication: Sensors
publication_identifier:
issn:
- 1424-8220
publication_status: published
publisher: MDPI AG
status: public
title: 'Definition of High-Risk Motion Patterns for Female ACL Injury Based on Football-Specific
Field Data: A Wearable Sensors Plus Data Mining Approach'
type: journal_article
user_id: '46'
volume: 23
year: '2023'
...
---
_id: '44890'
author:
- first_name: Arnold
full_name: Tchomgue Simeu, Arnold
id: '83075'
last_name: Tchomgue Simeu
- first_name: Rolf
full_name: Mahnken, Rolf
id: '335'
last_name: Mahnken
citation:
ama: Tchomgue Simeu A, Mahnken R. Goal‐oriented adaptivity based on a model hierarchy
of mean‐field and full‐field homogenization methods in elasto‐plasticity. PAMM.
2023;22(1). doi:10.1002/pamm.202200053
apa: Tchomgue Simeu, A., & Mahnken, R. (2023). Goal‐oriented adaptivity based
on a model hierarchy of mean‐field and full‐field homogenization methods in elasto‐plasticity.
PAMM, 22(1). https://doi.org/10.1002/pamm.202200053
bibtex: '@article{Tchomgue Simeu_Mahnken_2023, title={Goal‐oriented adaptivity based
on a model hierarchy of mean‐field and full‐field homogenization methods in elasto‐plasticity},
volume={22}, DOI={10.1002/pamm.202200053},
number={1}, journal={PAMM}, publisher={Wiley}, author={Tchomgue Simeu, Arnold
and Mahnken, Rolf}, year={2023} }'
chicago: Tchomgue Simeu, Arnold, and Rolf Mahnken. “Goal‐oriented Adaptivity Based
on a Model Hierarchy of Mean‐field and Full‐field Homogenization Methods in Elasto‐plasticity.”
PAMM 22, no. 1 (2023). https://doi.org/10.1002/pamm.202200053.
ieee: 'A. Tchomgue Simeu and R. Mahnken, “Goal‐oriented adaptivity based on a model
hierarchy of mean‐field and full‐field homogenization methods in elasto‐plasticity,”
PAMM, vol. 22, no. 1, 2023, doi: 10.1002/pamm.202200053.'
mla: Tchomgue Simeu, Arnold, and Rolf Mahnken. “Goal‐oriented Adaptivity Based on
a Model Hierarchy of Mean‐field and Full‐field Homogenization Methods in Elasto‐plasticity.”
PAMM, vol. 22, no. 1, Wiley, 2023, doi:10.1002/pamm.202200053.
short: A. Tchomgue Simeu, R. Mahnken, PAMM 22 (2023).
date_created: 2023-05-16T12:18:15Z
date_updated: 2023-05-25T10:02:34Z
department:
- _id: '9'
- _id: '154'
- _id: '321'
doi: 10.1002/pamm.202200053
intvolume: ' 22'
issue: '1'
keyword:
- Electrical and Electronic Engineering
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
publication: PAMM
publication_identifier:
issn:
- 1617-7061
- 1617-7061
publication_status: published
publisher: Wiley
quality_controlled: '1'
status: public
title: Goal‐oriented adaptivity based on a model hierarchy of mean‐field and full‐field
homogenization methods in elasto‐plasticity
type: journal_article
user_id: '335'
volume: 22
year: '2023'
...
---
_id: '45485'
author:
- first_name: Stephan
full_name: Kruse, Stephan
id: '38254'
last_name: Kruse
- first_name: Laura
full_name: Serino, Laura
id: '88242'
last_name: Serino
- first_name: Patrick Fabian
full_name: Folge, Patrick Fabian
id: '88605'
last_name: Folge
- first_name: Dana
full_name: Echeverria Oviedo, Dana
last_name: Echeverria Oviedo
- first_name: Abhinandan
full_name: Bhattacharjee, Abhinandan
last_name: Bhattacharjee
- first_name: Michael
full_name: Stefszky, Michael
id: '42777'
last_name: Stefszky
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
- first_name: Benjamin
full_name: Brecht, Benjamin
id: '27150'
last_name: Brecht
orcid: '0000-0003-4140-0556 '
- first_name: Christine
full_name: Silberhorn, Christine
id: '26263'
last_name: Silberhorn
citation:
ama: Kruse S, Serino L, Folge PF, et al. A Pulsed Lidar System With Ultimate Quantum
Range Accuracy. IEEE Photonics Technology Letters. 2023;35(14):769-772.
doi:10.1109/lpt.2023.3277515
apa: Kruse, S., Serino, L., Folge, P. F., Echeverria Oviedo, D., Bhattacharjee,
A., Stefszky, M., Scheytt, J. C., Brecht, B., & Silberhorn, C. (2023). A Pulsed
Lidar System With Ultimate Quantum Range Accuracy. IEEE Photonics Technology
Letters, 35(14), 769–772. https://doi.org/10.1109/lpt.2023.3277515
bibtex: '@article{Kruse_Serino_Folge_Echeverria Oviedo_Bhattacharjee_Stefszky_Scheytt_Brecht_Silberhorn_2023,
title={A Pulsed Lidar System With Ultimate Quantum Range Accuracy}, volume={35},
DOI={10.1109/lpt.2023.3277515},
number={14}, journal={IEEE Photonics Technology Letters}, publisher={Institute
of Electrical and Electronics Engineers (IEEE)}, author={Kruse, Stephan and Serino,
Laura and Folge, Patrick Fabian and Echeverria Oviedo, Dana and Bhattacharjee,
Abhinandan and Stefszky, Michael and Scheytt, J. Christoph and Brecht, Benjamin
and Silberhorn, Christine}, year={2023}, pages={769–772} }'
chicago: 'Kruse, Stephan, Laura Serino, Patrick Fabian Folge, Dana Echeverria Oviedo,
Abhinandan Bhattacharjee, Michael Stefszky, J. Christoph Scheytt, Benjamin Brecht,
and Christine Silberhorn. “A Pulsed Lidar System With Ultimate Quantum Range Accuracy.”
IEEE Photonics Technology Letters 35, no. 14 (2023): 769–72. https://doi.org/10.1109/lpt.2023.3277515.'
ieee: 'S. Kruse et al., “A Pulsed Lidar System With Ultimate Quantum Range
Accuracy,” IEEE Photonics Technology Letters, vol. 35, no. 14, pp. 769–772,
2023, doi: 10.1109/lpt.2023.3277515.'
mla: Kruse, Stephan, et al. “A Pulsed Lidar System With Ultimate Quantum Range Accuracy.”
IEEE Photonics Technology Letters, vol. 35, no. 14, Institute of Electrical
and Electronics Engineers (IEEE), 2023, pp. 769–72, doi:10.1109/lpt.2023.3277515.
short: S. Kruse, L. Serino, P.F. Folge, D. Echeverria Oviedo, A. Bhattacharjee,
M. Stefszky, J.C. Scheytt, B. Brecht, C. Silberhorn, IEEE Photonics Technology
Letters 35 (2023) 769–772.
date_created: 2023-06-06T10:09:05Z
date_updated: 2023-06-06T10:13:05Z
department:
- _id: '15'
- _id: '58'
- _id: '623'
- _id: '230'
- _id: '288'
doi: 10.1109/lpt.2023.3277515
intvolume: ' 35'
issue: '14'
keyword:
- Electrical and Electronic Engineering
- Atomic and Molecular Physics
- and Optics
- Electronic
- Optical and Magnetic Materials
language:
- iso: eng
page: 769-772
publication: IEEE Photonics Technology Letters
publication_identifier:
issn:
- 1041-1135
- 1941-0174
publication_status: published
publisher: Institute of Electrical and Electronics Engineers (IEEE)
status: public
title: A Pulsed Lidar System With Ultimate Quantum Range Accuracy
type: journal_article
user_id: '27150'
volume: 35
year: '2023'
...
---
_id: '45704'
abstract:
- lang: eng
text: Since high-order harmonic generation (HHG) from atoms depends sensitively
on the polarization of the driving laser field, the polarization gating (PG) technique
was developed and applied successfully to generate isolated attosecond pulses
from atomic gases. The situation is, however, different in solid-state systems
as it has been demonstrated that due to collisions with neighboring atomic cores
of the crystal lattice strong HHG can be generated even by elliptically- and circularly-polarized
laser fields. Here we apply PG to solid-state systems and find that the conventional
PG technique is inefficient for the generation of isolated ultrashort harmonic
pulse bursts. In contrast, we demonstrate that a polarization-skewed laser pulse
is able to confine the harmonic emission to a time window of less than one-tenth
of the laser cycle. This method provides a novel way to control HHG and to generate
isolated attosecond pulses in solids.
article_number: '18862'
author:
- first_name: Xiaohong
full_name: Song, Xiaohong
last_name: Song
- first_name: Shidong
full_name: Yang, Shidong
last_name: Yang
- first_name: Guifang
full_name: Wang, Guifang
last_name: Wang
- first_name: Jianpeng
full_name: Lin, Jianpeng
last_name: Lin
- first_name: Liang
full_name: Wang, Liang
last_name: Wang
- first_name: Torsten
full_name: Meier, Torsten
id: '344'
last_name: Meier
orcid: 0000-0001-8864-2072
- first_name: Weifeng
full_name: Yang, Weifeng
last_name: Yang
citation:
ama: Song X, Yang S, Wang G, et al. Control of the electron dynamics in solid-state
high harmonic generation on ultrafast time scales by a polarization-skewed laser
pulse. Optics Express. 2023;31(12). doi:10.1364/oe.491418
apa: Song, X., Yang, S., Wang, G., Lin, J., Wang, L., Meier, T., & Yang, W.
(2023). Control of the electron dynamics in solid-state high harmonic generation
on ultrafast time scales by a polarization-skewed laser pulse. Optics Express,
31(12), Article 18862. https://doi.org/10.1364/oe.491418
bibtex: '@article{Song_Yang_Wang_Lin_Wang_Meier_Yang_2023, title={Control of the
electron dynamics in solid-state high harmonic generation on ultrafast time scales
by a polarization-skewed laser pulse}, volume={31}, DOI={10.1364/oe.491418},
number={1218862}, journal={Optics Express}, publisher={Optica Publishing Group},
author={Song, Xiaohong and Yang, Shidong and Wang, Guifang and Lin, Jianpeng and
Wang, Liang and Meier, Torsten and Yang, Weifeng}, year={2023} }'
chicago: Song, Xiaohong, Shidong Yang, Guifang Wang, Jianpeng Lin, Liang Wang, Torsten
Meier, and Weifeng Yang. “Control of the Electron Dynamics in Solid-State High
Harmonic Generation on Ultrafast Time Scales by a Polarization-Skewed Laser Pulse.”
Optics Express 31, no. 12 (2023). https://doi.org/10.1364/oe.491418.
ieee: 'X. Song et al., “Control of the electron dynamics in solid-state high
harmonic generation on ultrafast time scales by a polarization-skewed laser pulse,”
Optics Express, vol. 31, no. 12, Art. no. 18862, 2023, doi: 10.1364/oe.491418.'
mla: Song, Xiaohong, et al. “Control of the Electron Dynamics in Solid-State High
Harmonic Generation on Ultrafast Time Scales by a Polarization-Skewed Laser Pulse.”
Optics Express, vol. 31, no. 12, 18862, Optica Publishing Group, 2023,
doi:10.1364/oe.491418.
short: X. Song, S. Yang, G. Wang, J. Lin, L. Wang, T. Meier, W. Yang, Optics Express
31 (2023).
date_created: 2023-06-21T09:55:18Z
date_updated: 2023-06-21T09:56:31Z
department:
- _id: '15'
- _id: '170'
- _id: '293'
- _id: '35'
- _id: '230'
- _id: '429'
doi: 10.1364/oe.491418
intvolume: ' 31'
issue: '12'
keyword:
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
project:
- _id: '53'
grant_number: '231447078'
name: 'TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden
Konzepten zu funktionellen Strukturen'
- _id: '54'
name: 'TRR 142 - A: TRR 142 - Project Area A'
- _id: '165'
grant_number: '231447078'
name: 'TRR 142 - A10: TRR 142 - Nichtlinearitäten von atomar dünnen Übergangsmetall-Dichalkogeniden
in starken Feldern (A10*)'
publication: Optics Express
publication_identifier:
issn:
- 1094-4087
publication_status: published
publisher: Optica Publishing Group
status: public
title: Control of the electron dynamics in solid-state high harmonic generation on
ultrafast time scales by a polarization-skewed laser pulse
type: journal_article
user_id: '16199'
volume: 31
year: '2023'
...
---
_id: '45703'
article_number: L022040
author:
- first_name: Ruixin
full_name: Zuo, Ruixin
last_name: Zuo
- first_name: Xiaohong
full_name: Song, Xiaohong
last_name: Song
- first_name: Shuai
full_name: Ben, Shuai
last_name: Ben
- first_name: Torsten
full_name: Meier, Torsten
id: '344'
last_name: Meier
orcid: 0000-0001-8864-2072
- first_name: Weifeng
full_name: Yang, Weifeng
last_name: Yang
citation:
ama: Zuo R, Song X, Ben S, Meier T, Yang W. Revealing the nonadiabatic tunneling
dynamics in solid-state high harmonic generation. Physical Review Research.
2023;5(2). doi:10.1103/physrevresearch.5.l022040
apa: Zuo, R., Song, X., Ben, S., Meier, T., & Yang, W. (2023). Revealing the
nonadiabatic tunneling dynamics in solid-state high harmonic generation. Physical
Review Research, 5(2), Article L022040. https://doi.org/10.1103/physrevresearch.5.l022040
bibtex: '@article{Zuo_Song_Ben_Meier_Yang_2023, title={Revealing the nonadiabatic
tunneling dynamics in solid-state high harmonic generation}, volume={5}, DOI={10.1103/physrevresearch.5.l022040},
number={2L022040}, journal={Physical Review Research}, publisher={American Physical
Society (APS)}, author={Zuo, Ruixin and Song, Xiaohong and Ben, Shuai and Meier,
Torsten and Yang, Weifeng}, year={2023} }'
chicago: Zuo, Ruixin, Xiaohong Song, Shuai Ben, Torsten Meier, and Weifeng Yang.
“Revealing the Nonadiabatic Tunneling Dynamics in Solid-State High Harmonic Generation.”
Physical Review Research 5, no. 2 (2023). https://doi.org/10.1103/physrevresearch.5.l022040.
ieee: 'R. Zuo, X. Song, S. Ben, T. Meier, and W. Yang, “Revealing the nonadiabatic
tunneling dynamics in solid-state high harmonic generation,” Physical Review
Research, vol. 5, no. 2, Art. no. L022040, 2023, doi: 10.1103/physrevresearch.5.l022040.'
mla: Zuo, Ruixin, et al. “Revealing the Nonadiabatic Tunneling Dynamics in Solid-State
High Harmonic Generation.” Physical Review Research, vol. 5, no. 2, L022040,
American Physical Society (APS), 2023, doi:10.1103/physrevresearch.5.l022040.
short: R. Zuo, X. Song, S. Ben, T. Meier, W. Yang, Physical Review Research 5 (2023).
date_created: 2023-06-21T09:52:34Z
date_updated: 2023-06-21T09:54:16Z
department:
- _id: '15'
- _id: '170'
- _id: '293'
- _id: '230'
- _id: '429'
- _id: '35'
doi: 10.1103/physrevresearch.5.l022040
intvolume: ' 5'
issue: '2'
keyword:
- General Physics and Astronomy
language:
- iso: eng
project:
- _id: '53'
grant_number: '231447078'
name: 'TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden
Konzepten zu funktionellen Strukturen'
- _id: '54'
name: 'TRR 142 - A: TRR 142 - Project Area A'
- _id: '165'
grant_number: '231447078'
name: 'TRR 142 - A10: TRR 142 - Nichtlinearitäten von atomar dünnen Übergangsmetall-Dichalkogeniden
in starken Feldern (A10*)'
publication: Physical Review Research
publication_identifier:
issn:
- 2643-1564
publication_status: published
publisher: American Physical Society (APS)
status: public
title: Revealing the nonadiabatic tunneling dynamics in solid-state high harmonic
generation
type: journal_article
user_id: '16199'
volume: 5
year: '2023'
...
---
_id: '45709'
article_number: '106655'
author:
- first_name: D. Belobo
full_name: Belobo, D. Belobo
last_name: Belobo
- first_name: Torsten
full_name: Meier, Torsten
id: '344'
last_name: Meier
orcid: 0000-0001-8864-2072
citation:
ama: Belobo DB, Meier T. Manipulation of nonautonomous nonlinear wave solutions
of the generalized coupled Gross–Pitaevskii equations with spin–orbit interaction
and weak Raman couplings. Results in Physics. Published online 2023. doi:10.1016/j.rinp.2023.106655
apa: Belobo, D. B., & Meier, T. (2023). Manipulation of nonautonomous nonlinear
wave solutions of the generalized coupled Gross–Pitaevskii equations with spin–orbit
interaction and weak Raman couplings. Results in Physics, Article 106655.
https://doi.org/10.1016/j.rinp.2023.106655
bibtex: '@article{Belobo_Meier_2023, title={Manipulation of nonautonomous nonlinear
wave solutions of the generalized coupled Gross–Pitaevskii equations with spin–orbit
interaction and weak Raman couplings}, DOI={10.1016/j.rinp.2023.106655},
number={106655}, journal={Results in Physics}, publisher={Elsevier BV}, author={Belobo,
D. Belobo and Meier, Torsten}, year={2023} }'
chicago: Belobo, D. Belobo, and Torsten Meier. “Manipulation of Nonautonomous Nonlinear
Wave Solutions of the Generalized Coupled Gross–Pitaevskii Equations with Spin–Orbit
Interaction and Weak Raman Couplings.” Results in Physics, 2023. https://doi.org/10.1016/j.rinp.2023.106655.
ieee: 'D. B. Belobo and T. Meier, “Manipulation of nonautonomous nonlinear wave
solutions of the generalized coupled Gross–Pitaevskii equations with spin–orbit
interaction and weak Raman couplings,” Results in Physics, Art. no. 106655,
2023, doi: 10.1016/j.rinp.2023.106655.'
mla: Belobo, D. Belobo, and Torsten Meier. “Manipulation of Nonautonomous Nonlinear
Wave Solutions of the Generalized Coupled Gross–Pitaevskii Equations with Spin–Orbit
Interaction and Weak Raman Couplings.” Results in Physics, 106655, Elsevier
BV, 2023, doi:10.1016/j.rinp.2023.106655.
short: D.B. Belobo, T. Meier, Results in Physics (2023).
date_created: 2023-06-21T11:46:05Z
date_updated: 2023-06-21T11:46:58Z
department:
- _id: '15'
- _id: '170'
- _id: '293'
- _id: '35'
- _id: '230'
doi: 10.1016/j.rinp.2023.106655
keyword:
- General Physics and Astronomy
language:
- iso: eng
publication: Results in Physics
publication_identifier:
issn:
- 2211-3797
publication_status: published
publisher: Elsevier BV
status: public
title: Manipulation of nonautonomous nonlinear wave solutions of the generalized coupled
Gross–Pitaevskii equations with spin–orbit interaction and weak Raman couplings
type: journal_article
user_id: '16199'
year: '2023'
...
---
_id: '45763'
abstract:
- lang: eng
text: |-
Abstract
The development of potential theory heightens the understanding of fundamental interactions in quantum systems. In this paper, the bound state solution of the modified radial Klein-Gordon equation is presented for generalised tanh-shaped hyperbolic potential from the Nikiforov-Uvarov method. The resulting energy eigenvalues and corresponding radial wave functions are expressed in terms of the Jacobi polynomials for arbitrary $l$ states. It is also demonstrated that energy eigenvalues strongly correlate with potential parameters for quantum states. Considering particular cases, the generalised tanh-shaped hyperbolic potential and its derived energy eigenvalues exhibit good agreement with the reported findings. Furthermore, the rovibrational energies are calculated for three representative diatomic molecules, namely $\rm{H_{2}}$, $\rm{HCl}$ and $\rm{O_{2}}$. The lowest excitation energies are in perfect agreement with experimental results. Overall, the potential model is displayed to be a viable candidate for concurrently prescribing numerous quantum systems.
author:
- first_name: Vatan
full_name: Badalov, Vatan
last_name: Badalov
- first_name: Sabuhi
full_name: Badalov, Sabuhi
last_name: Badalov
citation:
ama: 'Badalov V, Badalov S. Generalised tanh-shaped hyperbolic potential: Klein-Gordon
equation’s bound state solution. Communications in Theoretical Physics.
Published online 2023. doi:10.1088/1572-9494/acd441'
apa: 'Badalov, V., & Badalov, S. (2023). Generalised tanh-shaped hyperbolic
potential: Klein-Gordon equation’s bound state solution. Communications in
Theoretical Physics. https://doi.org/10.1088/1572-9494/acd441'
bibtex: '@article{Badalov_Badalov_2023, title={Generalised tanh-shaped hyperbolic
potential: Klein-Gordon equation’s bound state solution}, DOI={10.1088/1572-9494/acd441},
journal={Communications in Theoretical Physics}, publisher={IOP Publishing}, author={Badalov,
Vatan and Badalov, Sabuhi}, year={2023} }'
chicago: 'Badalov, Vatan, and Sabuhi Badalov. “Generalised Tanh-Shaped Hyperbolic
Potential: Klein-Gordon Equation’s Bound State Solution.” Communications in
Theoretical Physics, 2023. https://doi.org/10.1088/1572-9494/acd441.'
ieee: 'V. Badalov and S. Badalov, “Generalised tanh-shaped hyperbolic potential:
Klein-Gordon equation’s bound state solution,” Communications in Theoretical
Physics, 2023, doi: 10.1088/1572-9494/acd441.'
mla: 'Badalov, Vatan, and Sabuhi Badalov. “Generalised Tanh-Shaped Hyperbolic Potential:
Klein-Gordon Equation’s Bound State Solution.” Communications in Theoretical
Physics, IOP Publishing, 2023, doi:10.1088/1572-9494/acd441.'
short: V. Badalov, S. Badalov, Communications in Theoretical Physics (2023).
date_created: 2023-06-24T19:40:20Z
date_updated: 2023-06-24T19:40:56Z
doi: 10.1088/1572-9494/acd441
keyword:
- Physics and Astronomy (miscellaneous)
publication: Communications in Theoretical Physics
publication_identifier:
issn:
- 0253-6102
- 1572-9494
publication_status: published
publisher: IOP Publishing
status: public
title: 'Generalised tanh-shaped hyperbolic potential: Klein-Gordon equation''s bound
state solution'
type: journal_article
user_id: '78800'
year: '2023'
...
---
_id: '45868'
abstract:
- lang: eng
text: Perfect vector vortex beams (PVVBs) have attracted considerable interest due
to their peculiar optical features. PVVBs are typically generated through the
superposition of perfect vortex beams, which suffer from the limited number of
topological charges (TCs). Furthermore, dynamic control of PVVBs is desirable
and has not been reported. We propose and experimentally demonstrate hybrid grafted
perfect vector vortex beams (GPVVBs) and their dynamic control. Hybrid GPVVBs
are generated through the superposition of grafted perfect vortex beams with a
multifunctional metasurface. The generated hybrid GPVVBs possess spatially variant
rates of polarization change due to the involvement of more TCs. Each hybrid GPVVB
includes different GPVVBs in the same beam, adding more design flexibility. Moreover,
these beams are dynamically controlled with a rotating half waveplate. The generated
dynamic GPVVBs may find applications in the fields where dynamic control is in
high demand, including optical encryption, dense data communication, and multiple
particle manipulation.
article_number: '3915'
author:
- first_name: Hammad
full_name: Ahmed, Hammad
last_name: Ahmed
- first_name: Muhammad Afnan
full_name: Ansari, Muhammad Afnan
last_name: Ansari
- first_name: Yan
full_name: Li, Yan
last_name: Li
- first_name: Thomas
full_name: Zentgraf, Thomas
id: '30525'
last_name: Zentgraf
orcid: 0000-0002-8662-1101
- first_name: Muhammad Qasim
full_name: Mehmood, Muhammad Qasim
last_name: Mehmood
- first_name: Xianzhong
full_name: Chen, Xianzhong
last_name: Chen
citation:
ama: Ahmed H, Ansari MA, Li Y, Zentgraf T, Mehmood MQ, Chen X. Dynamic control of
hybrid grafted perfect vector vortex beams. Nature Communications. 2023;14(1).
doi:10.1038/s41467-023-39599-8
apa: Ahmed, H., Ansari, M. A., Li, Y., Zentgraf, T., Mehmood, M. Q., & Chen,
X. (2023). Dynamic control of hybrid grafted perfect vector vortex beams. Nature
Communications, 14(1), Article 3915. https://doi.org/10.1038/s41467-023-39599-8
bibtex: '@article{Ahmed_Ansari_Li_Zentgraf_Mehmood_Chen_2023, title={Dynamic control
of hybrid grafted perfect vector vortex beams}, volume={14}, DOI={10.1038/s41467-023-39599-8},
number={13915}, journal={Nature Communications}, publisher={Springer Science and
Business Media LLC}, author={Ahmed, Hammad and Ansari, Muhammad Afnan and Li,
Yan and Zentgraf, Thomas and Mehmood, Muhammad Qasim and Chen, Xianzhong}, year={2023}
}'
chicago: Ahmed, Hammad, Muhammad Afnan Ansari, Yan Li, Thomas Zentgraf, Muhammad
Qasim Mehmood, and Xianzhong Chen. “Dynamic Control of Hybrid Grafted Perfect
Vector Vortex Beams.” Nature Communications 14, no. 1 (2023). https://doi.org/10.1038/s41467-023-39599-8.
ieee: 'H. Ahmed, M. A. Ansari, Y. Li, T. Zentgraf, M. Q. Mehmood, and X. Chen, “Dynamic
control of hybrid grafted perfect vector vortex beams,” Nature Communications,
vol. 14, no. 1, Art. no. 3915, 2023, doi: 10.1038/s41467-023-39599-8.'
mla: Ahmed, Hammad, et al. “Dynamic Control of Hybrid Grafted Perfect Vector Vortex
Beams.” Nature Communications, vol. 14, no. 1, 3915, Springer Science and
Business Media LLC, 2023, doi:10.1038/s41467-023-39599-8.
short: H. Ahmed, M.A. Ansari, Y. Li, T. Zentgraf, M.Q. Mehmood, X. Chen, Nature
Communications 14 (2023).
date_created: 2023-07-06T06:34:37Z
date_updated: 2023-07-06T06:42:10Z
ddc:
- '530'
department:
- _id: '15'
- _id: '230'
- _id: '289'
- _id: '623'
doi: 10.1038/s41467-023-39599-8
file:
- access_level: closed
content_type: application/pdf
creator: zentgraf
date_created: 2023-07-06T06:40:28Z
date_updated: 2023-07-06T06:40:28Z
file_id: '45869'
file_name: NatureCommun_Ahmed_2023.pdf
file_size: 4341041
relation: main_file
success: 1
file_date_updated: 2023-07-06T06:40:28Z
has_accepted_license: '1'
intvolume: ' 14'
issue: '1'
keyword:
- General Physics and Astronomy
- General Biochemistry
- Genetics and Molecular Biology
- General Chemistry
- Multidisciplinary
language:
- iso: eng
main_file_link:
- open_access: '1'
oa: '1'
publication: Nature Communications
publication_identifier:
issn:
- 2041-1723
publication_status: published
publisher: Springer Science and Business Media LLC
quality_controlled: '1'
status: public
title: Dynamic control of hybrid grafted perfect vector vortex beams
type: journal_article
user_id: '30525'
volume: 14
year: '2023'
...
---
_id: '45850'
abstract:
- lang: eng
text: Interference between single photons is key for many quantum optics experiments
and applications in quantum technologies, such as quantum communication or computation.
It is advantageous to operate the systems at telecommunication wavelengths and
to integrate the setups for these applications in order to improve stability,
compactness and scalability. A new promising material platform for integrated
quantum optics is lithium niobate on insulator (LNOI). Here, we realise Hong-Ou-Mandel
(HOM) interference between telecom photons from an engineered parametric down-conversion
source in an LNOI directional coupler. The coupler has been designed and fabricated
in house and provides close to perfect balanced beam splitting. We obtain a raw
HOM visibility of (93.5 ± 0.7) %, limited mainly by the source performance and
in good agreement with off-chip measurements. This lays the foundation for more
sophisticated quantum experiments in LNOI.
article_number: '23140'
author:
- first_name: Silia
full_name: Babel, Silia
id: '63231'
last_name: Babel
orcid: https://orcid.org/0000-0002-1568-2580
- first_name: Laura
full_name: Bollmers, Laura
id: '61375'
last_name: Bollmers
- first_name: Marcello
full_name: Massaro, Marcello
id: '59545'
last_name: Massaro
orcid: 0000-0002-2539-7652
- first_name: Kai Hong
full_name: Luo, Kai Hong
id: '36389'
last_name: Luo
orcid: 0000-0003-1008-4976
- first_name: Michael
full_name: Stefszky, Michael
id: '42777'
last_name: Stefszky
- first_name: Federico
full_name: Pegoraro, Federico
id: '88928'
last_name: Pegoraro
- first_name: Philip
full_name: Held, Philip
id: '68236'
last_name: Held
- first_name: Harald
full_name: Herrmann, Harald
id: '216'
last_name: Herrmann
- first_name: Christof
full_name: Eigner, Christof
id: '13244'
last_name: Eigner
orcid: https://orcid.org/0000-0002-5693-3083
- first_name: Benjamin
full_name: Brecht, Benjamin
id: '27150'
last_name: Brecht
orcid: '0000-0003-4140-0556 '
- first_name: Laura
full_name: Padberg, Laura
id: '40300'
last_name: Padberg
- first_name: Christine
full_name: Silberhorn, Christine
id: '26263'
last_name: Silberhorn
citation:
ama: Babel S, Bollmers L, Massaro M, et al. Demonstration of Hong-Ou-Mandel interference
in an LNOI directional coupler. Optics Express. 2023;31(14). doi:10.1364/oe.484126
apa: Babel, S., Bollmers, L., Massaro, M., Luo, K. H., Stefszky, M., Pegoraro, F.,
Held, P., Herrmann, H., Eigner, C., Brecht, B., Padberg, L., & Silberhorn,
C. (2023). Demonstration of Hong-Ou-Mandel interference in an LNOI directional
coupler. Optics Express, 31(14), Article 23140. https://doi.org/10.1364/oe.484126
bibtex: '@article{Babel_Bollmers_Massaro_Luo_Stefszky_Pegoraro_Held_Herrmann_Eigner_Brecht_et
al._2023, title={Demonstration of Hong-Ou-Mandel interference in an LNOI directional
coupler}, volume={31}, DOI={10.1364/oe.484126},
number={1423140}, journal={Optics Express}, publisher={Optica Publishing Group},
author={Babel, Silia and Bollmers, Laura and Massaro, Marcello and Luo, Kai Hong
and Stefszky, Michael and Pegoraro, Federico and Held, Philip and Herrmann, Harald
and Eigner, Christof and Brecht, Benjamin and et al.}, year={2023} }'
chicago: Babel, Silia, Laura Bollmers, Marcello Massaro, Kai Hong Luo, Michael Stefszky,
Federico Pegoraro, Philip Held, et al. “Demonstration of Hong-Ou-Mandel Interference
in an LNOI Directional Coupler.” Optics Express 31, no. 14 (2023). https://doi.org/10.1364/oe.484126.
ieee: 'S. Babel et al., “Demonstration of Hong-Ou-Mandel interference in
an LNOI directional coupler,” Optics Express, vol. 31, no. 14, Art. no.
23140, 2023, doi: 10.1364/oe.484126.'
mla: Babel, Silia, et al. “Demonstration of Hong-Ou-Mandel Interference in an LNOI
Directional Coupler.” Optics Express, vol. 31, no. 14, 23140, Optica Publishing
Group, 2023, doi:10.1364/oe.484126.
short: S. Babel, L. Bollmers, M. Massaro, K.H. Luo, M. Stefszky, F. Pegoraro, P.
Held, H. Herrmann, C. Eigner, B. Brecht, L. Padberg, C. Silberhorn, Optics Express
31 (2023).
date_created: 2023-07-03T14:08:36Z
date_updated: 2023-07-05T07:58:31Z
department:
- _id: '15'
- _id: '230'
- _id: '623'
- _id: '288'
doi: 10.1364/oe.484126
intvolume: ' 31'
issue: '14'
keyword:
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
publication: Optics Express
publication_identifier:
issn:
- 1094-4087
publication_status: published
publisher: Optica Publishing Group
status: public
title: Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler
type: journal_article
user_id: '63231'
volume: 31
year: '2023'
...
---
_id: '46132'
author:
- first_name: Mario
full_name: Littmann, Mario
last_name: Littmann
- first_name: Dirk
full_name: Reuter, Dirk
id: '37763'
last_name: Reuter
- first_name: Donat Josef
full_name: As, Donat Josef
id: '14'
last_name: As
orcid: 0000-0003-1121-3565
citation:
ama: Littmann M, Reuter D, As DJ. Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered
3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy. physica status
solidi (b). 2023;260(7). doi:10.1002/pssb.202300034
apa: Littmann, M., Reuter, D., & As, D. J. (2023). Remote Epitaxy of Cubic Gallium
Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam
Epitaxy. Physica Status Solidi (b), 260(7). https://doi.org/10.1002/pssb.202300034
bibtex: '@article{Littmann_Reuter_As_2023, title={Remote Epitaxy of Cubic Gallium
Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam
Epitaxy}, volume={260}, DOI={10.1002/pssb.202300034},
number={7}, journal={physica status solidi (b)}, publisher={Wiley}, author={Littmann,
Mario and Reuter, Dirk and As, Donat Josef}, year={2023} }'
chicago: Littmann, Mario, Dirk Reuter, and Donat Josef As. “Remote Epitaxy of Cubic
Gallium Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular
Beam Epitaxy.” Physica Status Solidi (b) 260, no. 7 (2023). https://doi.org/10.1002/pssb.202300034.
ieee: 'M. Littmann, D. Reuter, and D. J. As, “Remote Epitaxy of Cubic Gallium Nitride
on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy,”
physica status solidi (b), vol. 260, no. 7, 2023, doi: 10.1002/pssb.202300034.'
mla: Littmann, Mario, et al. “Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered
3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy.” Physica Status
Solidi (b), vol. 260, no. 7, Wiley, 2023, doi:10.1002/pssb.202300034.
short: M. Littmann, D. Reuter, D.J. As, Physica Status Solidi (b) 260 (2023).
date_created: 2023-07-25T08:06:13Z
date_updated: 2023-07-25T08:07:20Z
department:
- _id: '15'
- _id: '230'
doi: 10.1002/pssb.202300034
intvolume: ' 260'
issue: '7'
keyword:
- Condensed Matter Physics
- Electronic
- Optical and Magnetic Materials
language:
- iso: eng
publication: physica status solidi (b)
publication_identifier:
issn:
- 0370-1972
- 1521-3951
publication_status: published
publisher: Wiley
status: public
title: Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered 3C‐SiC Substrates
by Plasma‐Assisted Molecular Beam Epitaxy
type: journal_article
user_id: '42514'
volume: 260
year: '2023'
...
---
_id: '46138'
abstract:
- lang: eng
text: This work reports a fully guided setup for single-mode squeezing on
integrated titanium-indiffused periodically poled nonlinear resonators. A continuous-wave
laser beam is delivered and the squeezed field is collected by single-mode fibers;
up to −3.17(9) dB of useful squeezing is available in fibers. To showcase the
usefulness of such a fiber-coupled device, we applied the generated squeezed light
in a fiber-based phase sensing experiment, showing a quantum enhancement in the
signal-to-noise ratio of 0.35 dB. Moreover, our investigation of the effect of
photorefraction on the cavity resonance condition suggests that it causes system
instabilities at high powers.
article_number: '2999'
article_type: original
author:
- first_name: Renato
full_name: Domeneguetti, Renato
last_name: Domeneguetti
- first_name: Michael
full_name: Stefszky, Michael
id: '42777'
last_name: Stefszky
- first_name: Harald
full_name: Herrmann, Harald
id: '216'
last_name: Herrmann
- first_name: Christine
full_name: Silberhorn, Christine
id: '26263'
last_name: Silberhorn
- first_name: Ulrik L.
full_name: Andersen, Ulrik L.
last_name: Andersen
- first_name: Jonas S.
full_name: Neergaard-Nielsen, Jonas S.
last_name: Neergaard-Nielsen
- first_name: Tobias
full_name: Gehring, Tobias
last_name: Gehring
citation:
ama: Domeneguetti R, Stefszky M, Herrmann H, et al. Fully guided and phase locked
Ti:PPLN waveguide squeezing for applications in quantum sensing. Optics Letters.
2023;48(11). doi:10.1364/ol.486654
apa: Domeneguetti, R., Stefszky, M., Herrmann, H., Silberhorn, C., Andersen, U.
L., Neergaard-Nielsen, J. S., & Gehring, T. (2023). Fully guided and phase
locked Ti:PPLN waveguide squeezing for applications in quantum sensing. Optics
Letters, 48(11), Article 2999. https://doi.org/10.1364/ol.486654
bibtex: '@article{Domeneguetti_Stefszky_Herrmann_Silberhorn_Andersen_Neergaard-Nielsen_Gehring_2023,
title={Fully guided and phase locked Ti:PPLN waveguide squeezing for applications
in quantum sensing}, volume={48}, DOI={10.1364/ol.486654},
number={112999}, journal={Optics Letters}, publisher={Optica Publishing Group},
author={Domeneguetti, Renato and Stefszky, Michael and Herrmann, Harald and Silberhorn,
Christine and Andersen, Ulrik L. and Neergaard-Nielsen, Jonas S. and Gehring,
Tobias}, year={2023} }'
chicago: Domeneguetti, Renato, Michael Stefszky, Harald Herrmann, Christine Silberhorn,
Ulrik L. Andersen, Jonas S. Neergaard-Nielsen, and Tobias Gehring. “Fully Guided
and Phase Locked Ti:PPLN Waveguide Squeezing for Applications in Quantum Sensing.”
Optics Letters 48, no. 11 (2023). https://doi.org/10.1364/ol.486654.
ieee: 'R. Domeneguetti et al., “Fully guided and phase locked Ti:PPLN waveguide
squeezing for applications in quantum sensing,” Optics Letters, vol. 48,
no. 11, Art. no. 2999, 2023, doi: 10.1364/ol.486654.'
mla: Domeneguetti, Renato, et al. “Fully Guided and Phase Locked Ti:PPLN Waveguide
Squeezing for Applications in Quantum Sensing.” Optics Letters, vol. 48,
no. 11, 2999, Optica Publishing Group, 2023, doi:10.1364/ol.486654.
short: R. Domeneguetti, M. Stefszky, H. Herrmann, C. Silberhorn, U.L. Andersen,
J.S. Neergaard-Nielsen, T. Gehring, Optics Letters 48 (2023).
date_created: 2023-07-25T10:35:24Z
date_updated: 2023-07-25T10:58:05Z
department:
- _id: '230'
- _id: '623'
- _id: '288'
doi: 10.1364/ol.486654
intvolume: ' 48'
issue: '11'
keyword:
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
project:
- _id: '218'
name: 'UNIQORN: UNIQORN - Affordable Quantum Communication for Everyone - EU Quantum
Flagship Project'
publication: Optics Letters
publication_identifier:
issn:
- 0146-9592
- 1539-4794
publication_status: published
publisher: Optica Publishing Group
quality_controlled: '1'
status: public
title: Fully guided and phase locked Ti:PPLN waveguide squeezing for applications
in quantum sensing
type: journal_article
user_id: '216'
volume: 48
year: '2023'
...
---
_id: '29240'
abstract:
- lang: eng
text: "The principle of least action is one of the most fundamental physical principle.
It says that among all possible motions connecting two points in a phase space,
the system will exhibit those motions which extremise an action functional. Many
qualitative features of dynamical systems, such as the presence of conservation
laws and energy balance equations, are related to the existence of an action functional.
Incorporating variational structure into learning algorithms for dynamical systems
is, therefore, crucial in order to make sure that the learned model shares important
features with the exact physical system. In this paper we show how to incorporate
variational principles into trajectory predictions of learned dynamical systems.
The novelty of this work is that (1) our technique relies only on discrete position
data of observed trajectories. Velocities or conjugate momenta do not need to
be observed or approximated and no prior knowledge about the form of the variational
principle is assumed. Instead, they are recovered using backward error analysis.
(2) Moreover, our technique compensates discretisation errors when trajectories
are computed from the learned system. This is important when moderate to large
step-sizes are used and high accuracy is required. For this,\r\nwe introduce and
rigorously analyse the concept of inverse modified Lagrangians by developing an
inverse version of variational backward error analysis. (3) Finally, we introduce
a method to perform system identification from position observations only, based
on variational backward error analysis."
article_type: original
author:
- first_name: Sina
full_name: Ober-Blöbaum, Sina
id: '16494'
last_name: Ober-Blöbaum
- first_name: Christian
full_name: Offen, Christian
id: '85279'
last_name: Offen
orcid: 0000-0002-5940-8057
citation:
ama: Ober-Blöbaum S, Offen C. Variational Learning of Euler–Lagrange Dynamics from
Data. Journal of Computational and Applied Mathematics. 2023;421:114780.
doi:10.1016/j.cam.2022.114780
apa: Ober-Blöbaum, S., & Offen, C. (2023). Variational Learning of Euler–Lagrange
Dynamics from Data. Journal of Computational and Applied Mathematics, 421,
114780. https://doi.org/10.1016/j.cam.2022.114780
bibtex: '@article{Ober-Blöbaum_Offen_2023, title={Variational Learning of Euler–Lagrange
Dynamics from Data}, volume={421}, DOI={10.1016/j.cam.2022.114780},
journal={Journal of Computational and Applied Mathematics}, publisher={Elsevier},
author={Ober-Blöbaum, Sina and Offen, Christian}, year={2023}, pages={114780}
}'
chicago: 'Ober-Blöbaum, Sina, and Christian Offen. “Variational Learning of Euler–Lagrange
Dynamics from Data.” Journal of Computational and Applied Mathematics 421
(2023): 114780. https://doi.org/10.1016/j.cam.2022.114780.'
ieee: 'S. Ober-Blöbaum and C. Offen, “Variational Learning of Euler–Lagrange Dynamics
from Data,” Journal of Computational and Applied Mathematics, vol. 421,
p. 114780, 2023, doi: 10.1016/j.cam.2022.114780.'
mla: Ober-Blöbaum, Sina, and Christian Offen. “Variational Learning of Euler–Lagrange
Dynamics from Data.” Journal of Computational and Applied Mathematics,
vol. 421, Elsevier, 2023, p. 114780, doi:10.1016/j.cam.2022.114780.
short: S. Ober-Blöbaum, C. Offen, Journal of Computational and Applied Mathematics
421 (2023) 114780.
date_created: 2022-01-11T13:24:00Z
date_updated: 2023-08-10T08:42:39Z
ddc:
- '510'
department:
- _id: '636'
doi: 10.1016/j.cam.2022.114780
external_id:
arxiv:
- '2112.12619'
file:
- access_level: open_access
content_type: application/pdf
creator: coffen
date_created: 2022-06-28T15:25:50Z
date_updated: 2022-06-28T15:25:50Z
description: |-
The principle of least action is one of the most fundamental physical principle. It says that among all possible motions
connecting two points in a phase space, the system will exhibit those motions which extremise an action functional.
Many qualitative features of dynamical systems, such as the presence of conservation laws and energy balance equa-
tions, are related to the existence of an action functional. Incorporating variational structure into learning algorithms
for dynamical systems is, therefore, crucial in order to make sure that the learned model shares important features
with the exact physical system. In this paper we show how to incorporate variational principles into trajectory predic-
tions of learned dynamical systems. The novelty of this work is that (1) our technique relies only on discrete position
data of observed trajectories. Velocities or conjugate momenta do not need to be observed or approximated and no
prior knowledge about the form of the variational principle is assumed. Instead, they are recovered using backward
error analysis. (2) Moreover, our technique compensates discretisation errors when trajectories are computed from the
learned system. This is important when moderate to large step-sizes are used and high accuracy is required. For this,
we introduce and rigorously analyse the concept of inverse modified Lagrangians by developing an inverse version of
variational backward error analysis. (3) Finally, we introduce a method to perform system identification from position
observations only, based on variational backward error analysis.
file_id: '32274'
file_name: ShadowLagrangian_revision1_journal_style_arxiv.pdf
file_size: 3640770
relation: main_file
title: Variational Learning of Euler–Lagrange Dynamics from Data
file_date_updated: 2022-06-28T15:25:50Z
has_accepted_license: '1'
intvolume: ' 421'
keyword:
- Lagrangian learning
- variational backward error analysis
- modified Lagrangian
- variational integrators
- physics informed learning
language:
- iso: eng
oa: '1'
page: '114780'
publication: Journal of Computational and Applied Mathematics
publication_identifier:
issn:
- 0377-0427
publication_status: epub_ahead
publisher: Elsevier
quality_controlled: '1'
related_material:
link:
- relation: software
url: https://github.com/Christian-Offen/LagrangianShadowIntegration
status: public
title: Variational Learning of Euler–Lagrange Dynamics from Data
type: journal_article
user_id: '85279'
volume: 421
year: '2023'
...
---
_id: '44851'
abstract:
- lang: eng
text: We present the fabrication of strain-free quantum dots in the In0.53Ga0.47As/In0.52Al0.48As-system
lattice matched to InP, as future sources for single and entangled photons for
long-haul fiber-based quantum communication in the optical C-band. We achieved
these quantum dots by local droplet etching via InAl droplets in an In0.52Al0.48As
layer and subsequent filling of the holes with In0.53Ga0.47As. Here, we present
detailed investigations of the hole morphologies measured by atomic force microscopy.
Statistical analysis of a set of nanoholes reveals a high degree of symmetry for
nearly half of them when etched at optimized temperatures. Overgrowth with 50–150 nm
In0.52Al0.48As increases their diameter and elongates the holes along the [01̄1]-direction.
By systematically scanning the parameter space, we were able to fill the holes
with In0.53Ga0.47As, and by capping the filled holes and performing photoluminescence
measurements, we observe photoluminescence emission in the O-band up into the
C-band depending on the filling height of the nanoholes.
author:
- first_name: D.
full_name: Deutsch, D.
last_name: Deutsch
- first_name: C.
full_name: Buchholz, C.
last_name: Buchholz
- first_name: V.
full_name: Zolatanosha, V.
last_name: Zolatanosha
- first_name: K. D.
full_name: Jöns, K. D.
last_name: Jöns
- first_name: D.
full_name: Reuter, D.
last_name: Reuter
citation:
ama: Deutsch D, Buchholz C, Zolatanosha V, Jöns KD, Reuter D. Telecom C-band photon
emission from (In,Ga)As quantum dots generated by filling nanoholes in In0.52Al0.48As
layers. AIP Advances. 2023;13(5). doi:10.1063/5.0147281
apa: Deutsch, D., Buchholz, C., Zolatanosha, V., Jöns, K. D., & Reuter, D. (2023).
Telecom C-band photon emission from (In,Ga)As quantum dots generated by filling
nanoholes in In0.52Al0.48As layers. AIP Advances, 13(5). https://doi.org/10.1063/5.0147281
bibtex: '@article{Deutsch_Buchholz_Zolatanosha_Jöns_Reuter_2023, title={Telecom
C-band photon emission from (In,Ga)As quantum dots generated by filling nanoholes
in In0.52Al0.48As layers}, volume={13}, DOI={10.1063/5.0147281},
number={5}, journal={AIP Advances}, publisher={AIP Publishing}, author={Deutsch,
D. and Buchholz, C. and Zolatanosha, V. and Jöns, K. D. and Reuter, D.}, year={2023}
}'
chicago: Deutsch, D., C. Buchholz, V. Zolatanosha, K. D. Jöns, and D. Reuter. “Telecom
C-Band Photon Emission from (In,Ga)As Quantum Dots Generated by Filling Nanoholes
in In0.52Al0.48As Layers.” AIP Advances 13, no. 5 (2023). https://doi.org/10.1063/5.0147281.
ieee: 'D. Deutsch, C. Buchholz, V. Zolatanosha, K. D. Jöns, and D. Reuter, “Telecom
C-band photon emission from (In,Ga)As quantum dots generated by filling nanoholes
in In0.52Al0.48As layers,” AIP Advances, vol. 13, no. 5, 2023, doi: 10.1063/5.0147281.'
mla: Deutsch, D., et al. “Telecom C-Band Photon Emission from (In,Ga)As Quantum
Dots Generated by Filling Nanoholes in In0.52Al0.48As Layers.” AIP Advances,
vol. 13, no. 5, AIP Publishing, 2023, doi:10.1063/5.0147281.
short: D. Deutsch, C. Buchholz, V. Zolatanosha, K.D. Jöns, D. Reuter, AIP Advances
13 (2023).
date_created: 2023-05-15T08:55:49Z
date_updated: 2023-08-14T10:05:15Z
department:
- _id: '15'
- _id: '230'
doi: 10.1063/5.0147281
intvolume: ' 13'
issue: '5'
keyword:
- General Physics and Astronomy
language:
- iso: eng
publication: AIP Advances
publication_identifier:
issn:
- 2158-3226
publication_status: published
publisher: AIP Publishing
status: public
title: Telecom C-band photon emission from (In,Ga)As quantum dots generated by filling
nanoholes in In0.52Al0.48As layers
type: journal_article
user_id: '37763'
volume: 13
year: '2023'
...
---
_id: '46480'
article_number: '147317'
author:
- first_name: Hendrik
full_name: Müller, Hendrik
last_name: Müller
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Guido
full_name: Grundmeier, Guido
id: '194'
last_name: Grundmeier
- first_name: Maria Teresa
full_name: de los Arcos de Pedro, Maria Teresa
id: '54556'
last_name: de los Arcos de Pedro
citation:
ama: Müller H, Weinberger C, Grundmeier G, de los Arcos de Pedro MT. UV-enhanced
environmental charge compensation in near ambient pressure XPS. Journal of
Electron Spectroscopy and Related Phenomena. 2023;264. doi:10.1016/j.elspec.2023.147317
apa: Müller, H., Weinberger, C., Grundmeier, G., & de los Arcos de Pedro, M.
T. (2023). UV-enhanced environmental charge compensation in near ambient pressure
XPS. Journal of Electron Spectroscopy and Related Phenomena, 264,
Article 147317. https://doi.org/10.1016/j.elspec.2023.147317
bibtex: '@article{Müller_Weinberger_Grundmeier_de los Arcos de Pedro_2023, title={UV-enhanced
environmental charge compensation in near ambient pressure XPS}, volume={264},
DOI={10.1016/j.elspec.2023.147317},
number={147317}, journal={Journal of Electron Spectroscopy and Related Phenomena},
publisher={Elsevier BV}, author={Müller, Hendrik and Weinberger, Christian and
Grundmeier, Guido and de los Arcos de Pedro, Maria Teresa}, year={2023} }'
chicago: Müller, Hendrik, Christian Weinberger, Guido Grundmeier, and Maria Teresa
de los Arcos de Pedro. “UV-Enhanced Environmental Charge Compensation in near
Ambient Pressure XPS.” Journal of Electron Spectroscopy and Related Phenomena
264 (2023). https://doi.org/10.1016/j.elspec.2023.147317.
ieee: 'H. Müller, C. Weinberger, G. Grundmeier, and M. T. de los Arcos de Pedro,
“UV-enhanced environmental charge compensation in near ambient pressure XPS,”
Journal of Electron Spectroscopy and Related Phenomena, vol. 264, Art.
no. 147317, 2023, doi: 10.1016/j.elspec.2023.147317.'
mla: Müller, Hendrik, et al. “UV-Enhanced Environmental Charge Compensation in near
Ambient Pressure XPS.” Journal of Electron Spectroscopy and Related Phenomena,
vol. 264, 147317, Elsevier BV, 2023, doi:10.1016/j.elspec.2023.147317.
short: H. Müller, C. Weinberger, G. Grundmeier, M.T. de los Arcos de Pedro, Journal
of Electron Spectroscopy and Related Phenomena 264 (2023).
date_created: 2023-08-11T14:11:57Z
date_updated: 2023-08-11T14:13:19Z
department:
- _id: '302'
doi: 10.1016/j.elspec.2023.147317
intvolume: ' 264'
keyword:
- Physical and Theoretical Chemistry
- Spectroscopy
- Condensed Matter Physics
- Atomic and Molecular Physics
- and Optics
- Radiation
- Electronic
- Optical and Magnetic Materials
language:
- iso: eng
publication: Journal of Electron Spectroscopy and Related Phenomena
publication_identifier:
issn:
- 0368-2048
publication_status: published
publisher: Elsevier BV
status: public
title: UV-enhanced environmental charge compensation in near ambient pressure XPS
type: journal_article
user_id: '54556'
volume: 264
year: '2023'
...
---
_id: '46507'
author:
- first_name: Sudipta
full_name: Pramanik, Sudipta
last_name: Pramanik
- first_name: Dennis
full_name: Milaege, Dennis
last_name: Milaege
- first_name: Maxwell
full_name: Hein, Maxwell
id: '52771'
last_name: Hein
orcid: 0000-0002-3732-2236
- first_name: Anatolii
full_name: Andreiev, Anatolii
id: '50215'
last_name: Andreiev
- first_name: Mirko
full_name: Schaper, Mirko
id: '43720'
last_name: Schaper
- first_name: Kay-Peter
full_name: Hoyer, Kay-Peter
id: '48411'
last_name: Hoyer
citation:
ama: Pramanik S, Milaege D, Hein M, Andreiev A, Schaper M, Hoyer K-P. An Experimental
and Computational Modeling Study on Additively Manufactured Micro‐Architectured
Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice Structures. Advanced Engineering Materials.
2023;25(14). doi:10.1002/adem.202201850
apa: Pramanik, S., Milaege, D., Hein, M., Andreiev, A., Schaper, M., & Hoyer,
K.-P. (2023). An Experimental and Computational Modeling Study on Additively Manufactured
Micro‐Architectured Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice Structures. Advanced
Engineering Materials, 25(14). https://doi.org/10.1002/adem.202201850
bibtex: '@article{Pramanik_Milaege_Hein_Andreiev_Schaper_Hoyer_2023, title={An Experimental
and Computational Modeling Study on Additively Manufactured Micro‐Architectured
Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice Structures}, volume={25}, DOI={10.1002/adem.202201850},
number={14}, journal={Advanced Engineering Materials}, publisher={Wiley}, author={Pramanik,
Sudipta and Milaege, Dennis and Hein, Maxwell and Andreiev, Anatolii and Schaper,
Mirko and Hoyer, Kay-Peter}, year={2023} }'
chicago: Pramanik, Sudipta, Dennis Milaege, Maxwell Hein, Anatolii Andreiev, Mirko
Schaper, and Kay-Peter Hoyer. “An Experimental and Computational Modeling Study
on Additively Manufactured Micro‐Architectured Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice
Structures.” Advanced Engineering Materials 25, no. 14 (2023). https://doi.org/10.1002/adem.202201850.
ieee: 'S. Pramanik, D. Milaege, M. Hein, A. Andreiev, M. Schaper, and K.-P. Hoyer,
“An Experimental and Computational Modeling Study on Additively Manufactured Micro‐Architectured
Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice Structures,” Advanced Engineering Materials,
vol. 25, no. 14, 2023, doi: 10.1002/adem.202201850.'
mla: Pramanik, Sudipta, et al. “An Experimental and Computational Modeling Study
on Additively Manufactured Micro‐Architectured Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice
Structures.” Advanced Engineering Materials, vol. 25, no. 14, Wiley, 2023,
doi:10.1002/adem.202201850.
short: S. Pramanik, D. Milaege, M. Hein, A. Andreiev, M. Schaper, K.-P. Hoyer, Advanced
Engineering Materials 25 (2023).
date_created: 2023-08-16T06:27:19Z
date_updated: 2023-08-16T06:29:36Z
department:
- _id: '9'
- _id: '158'
doi: 10.1002/adem.202201850
intvolume: ' 25'
issue: '14'
keyword:
- Condensed Matter Physics
- General Materials Science
language:
- iso: eng
publication: Advanced Engineering Materials
publication_identifier:
issn:
- 1438-1656
- 1527-2648
publication_status: published
publisher: Wiley
quality_controlled: '1'
status: public
title: An Experimental and Computational Modeling Study on Additively Manufactured
Micro‐Architectured Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice Structures
type: journal_article
user_id: '48411'
volume: 25
year: '2023'
...
---
_id: '46644'
abstract:
- lang: eng
text: A reliable, but cost-effective generation of single-photon states is key for
practical quantum communication systems. For real-world deployment, waveguide
sources offer optimum compatibility with fiber networks and can be embedded in
hybrid integrated modules. Here, we present what we believe to be the first chip-size
fully integrated fiber-coupled heralded single photon source (HSPS) module based
on a hybrid integration of a nonlinear lithium niobate waveguide into a polymer
board. Photon pairs at 810 nm (signal) and 1550 nm (idler) are generated via parametric
down-conversion pumped at 532 nm in the LiNbO3 waveguide. The pairs are split
in the polymer board and routed to separate output ports. The module has a size
of (2 × 1) cm^2 and is fully fiber-coupled with one pump input fiber and two output
fibers. We measure a heralded second-order correlation function of g_h(2)=0.05
with a heralding efficiency of η_h=3.5% at low pump powers
article_number: '22685'
article_type: original
author:
- first_name: Christian
full_name: Kießler, Christian
id: '44252'
last_name: Kießler
- first_name: Hauke
full_name: Conradi, Hauke
last_name: Conradi
- first_name: Moritz
full_name: Kleinert, Moritz
last_name: Kleinert
- first_name: Viktor
full_name: Quiring, Viktor
last_name: Quiring
- first_name: Harald
full_name: Herrmann, Harald
id: '216'
last_name: Herrmann
- first_name: Christine
full_name: Silberhorn, Christine
id: '26263'
last_name: Silberhorn
citation:
ama: Kießler C, Conradi H, Kleinert M, Quiring V, Herrmann H, Silberhorn C. Fiber-coupled
plug-and-play heralded single photon source based on Ti:LiNbO3 and polymer technology.
Optics Express. 2023;31(14). doi:10.1364/oe.487581
apa: Kießler, C., Conradi, H., Kleinert, M., Quiring, V., Herrmann, H., & Silberhorn,
C. (2023). Fiber-coupled plug-and-play heralded single photon source based on
Ti:LiNbO3 and polymer technology. Optics Express, 31(14), Article
22685. https://doi.org/10.1364/oe.487581
bibtex: '@article{Kießler_Conradi_Kleinert_Quiring_Herrmann_Silberhorn_2023, title={Fiber-coupled
plug-and-play heralded single photon source based on Ti:LiNbO3 and polymer technology},
volume={31}, DOI={10.1364/oe.487581},
number={1422685}, journal={Optics Express}, publisher={Optica Publishing Group},
author={Kießler, Christian and Conradi, Hauke and Kleinert, Moritz and Quiring,
Viktor and Herrmann, Harald and Silberhorn, Christine}, year={2023} }'
chicago: Kießler, Christian, Hauke Conradi, Moritz Kleinert, Viktor Quiring, Harald
Herrmann, and Christine Silberhorn. “Fiber-Coupled Plug-and-Play Heralded Single
Photon Source Based on Ti:LiNbO3 and Polymer Technology.” Optics Express
31, no. 14 (2023). https://doi.org/10.1364/oe.487581.
ieee: 'C. Kießler, H. Conradi, M. Kleinert, V. Quiring, H. Herrmann, and C. Silberhorn,
“Fiber-coupled plug-and-play heralded single photon source based on Ti:LiNbO3
and polymer technology,” Optics Express, vol. 31, no. 14, Art. no. 22685,
2023, doi: 10.1364/oe.487581.'
mla: Kießler, Christian, et al. “Fiber-Coupled Plug-and-Play Heralded Single Photon
Source Based on Ti:LiNbO3 and Polymer Technology.” Optics Express, vol.
31, no. 14, 22685, Optica Publishing Group, 2023, doi:10.1364/oe.487581.
short: C. Kießler, H. Conradi, M. Kleinert, V. Quiring, H. Herrmann, C. Silberhorn,
Optics Express 31 (2023).
date_created: 2023-08-23T07:20:06Z
date_updated: 2023-08-23T07:25:37Z
doi: 10.1364/oe.487581
intvolume: ' 31'
issue: '14'
keyword:
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
publication: Optics Express
publication_identifier:
issn:
- 1094-4087
publication_status: published
publisher: Optica Publishing Group
status: public
title: Fiber-coupled plug-and-play heralded single photon source based on Ti:LiNbO3
and polymer technology
type: journal_article
user_id: '44252'
volume: 31
year: '2023'
...
---
_id: '47122'
abstract:
- lang: eng
text: "AbstractFeCo alloys are important materials
used in pumps and motors in the offshore oil and gas drilling industry. These
alloys are subjected to marine environments with a high NaCl concentration, therefore,
corrosion and catastrophic failure are anticipated. So, the surface dissolution
of additively manufactured FeCo samples is investigated in a quasi-in
situ manner, in particular, the pitting corrosion in 5.0 wt pct
NaCl solution. The local dissolution of the same sample region is monitored after
24, 72, and 168 hours. Here, the formation of rectangular and circular pits of
ultra-fine dimensions (less than 0.5 µm) is observed
with increasing immersion time. In addition, the formation of a corrosion-inhibiting
surface layer is detected on the sample surface. Surface dissolution leads to
a change in the surface structure, however, no change in grain shape or grain
size is noticed. The surface topography after local dissolution is correlated
to the grain orientation. Quasi-in situ analysis shows
the preferential dissolution of high-angle grain boundaries (HAGBs) leading to
a change in the fraction of HAGBs and low-angle grain boundaries fraction (LAGBs).
For the FeCo sample, a potentiodynamic polarisation test reveals a corrosion potential
(Ecorr) of − 0.475 V referred to the standard hydrogen electrode
(SHE) and a corrosion exchange current density (icorr) of
0.0848 A/m2. Furthermore, quasi-in situ
experiments showed that grains oriented along certain crystallographic directions
are corroding more compared to other grains leading to a significant decrease
in the local surface height. Grains with a plane normal close to the $$\\langle
{1}00\\rangle$$\r\n
\ \r\n ⟨\r\n 100\r\n
\ ⟩\r\n \r\n
direction reveal lower surface dissolution and higher corrosion resistance, whereas
planes normal close to the $$\\langle
{11}0\\rangle$$\r\n
\ \r\n ⟨\r\n 110\r\n
\ ⟩\r\n \r\n
direction and the $$\\langle
{111}\\rangle$$\r\n
\ \r\n ⟨\r\n 111\r\n
\ ⟩\r\n \r\n
direction exhibit a higher surface dissolution."
author:
- first_name: Sudipta
full_name: Pramanik, Sudipta
last_name: Pramanik
- first_name: Jan Tobias
full_name: Krüger, Jan Tobias
id: '44307'
last_name: Krüger
orcid: 0000-0002-0827-9654
- first_name: Mirko
full_name: Schaper, Mirko
id: '43720'
last_name: Schaper
- first_name: Kay-Peter
full_name: Hoyer, Kay-Peter
id: '48411'
last_name: Hoyer
citation:
ama: Pramanik S, Krüger JT, Schaper M, Hoyer K-P. Quasi-In Situ Localized Corrosion
of an Additively Manufactured FeCo Alloy in 5 Wt Pct NaCl Solution. Metallurgical
and Materials Transactions A. Published online 2023. doi:10.1007/s11661-023-07186-7
apa: Pramanik, S., Krüger, J. T., Schaper, M., & Hoyer, K.-P. (2023). Quasi-In
Situ Localized Corrosion of an Additively Manufactured FeCo Alloy in 5 Wt Pct
NaCl Solution. Metallurgical and Materials Transactions A. https://doi.org/10.1007/s11661-023-07186-7
bibtex: '@article{Pramanik_Krüger_Schaper_Hoyer_2023, title={Quasi-In Situ Localized
Corrosion of an Additively Manufactured FeCo Alloy in 5 Wt Pct NaCl Solution},
DOI={10.1007/s11661-023-07186-7},
journal={Metallurgical and Materials Transactions A}, publisher={Springer Science
and Business Media LLC}, author={Pramanik, Sudipta and Krüger, Jan Tobias and
Schaper, Mirko and Hoyer, Kay-Peter}, year={2023} }'
chicago: Pramanik, Sudipta, Jan Tobias Krüger, Mirko Schaper, and Kay-Peter Hoyer.
“Quasi-In Situ Localized Corrosion of an Additively Manufactured FeCo Alloy in
5 Wt Pct NaCl Solution.” Metallurgical and Materials Transactions A, 2023.
https://doi.org/10.1007/s11661-023-07186-7.
ieee: 'S. Pramanik, J. T. Krüger, M. Schaper, and K.-P. Hoyer, “Quasi-In Situ Localized
Corrosion of an Additively Manufactured FeCo Alloy in 5 Wt Pct NaCl Solution,”
Metallurgical and Materials Transactions A, 2023, doi: 10.1007/s11661-023-07186-7.'
mla: Pramanik, Sudipta, et al. “Quasi-In Situ Localized Corrosion of an Additively
Manufactured FeCo Alloy in 5 Wt Pct NaCl Solution.” Metallurgical and Materials
Transactions A, Springer Science and Business Media LLC, 2023, doi:10.1007/s11661-023-07186-7.
short: S. Pramanik, J.T. Krüger, M. Schaper, K.-P. Hoyer, Metallurgical and Materials
Transactions A (2023).
date_created: 2023-09-18T11:43:28Z
date_updated: 2023-09-18T11:44:04Z
department:
- _id: '9'
- _id: '158'
doi: 10.1007/s11661-023-07186-7
keyword:
- Metals and Alloys
- Mechanics of Materials
- Condensed Matter Physics
language:
- iso: eng
publication: Metallurgical and Materials Transactions A
publication_identifier:
issn:
- 1073-5623
- 1543-1940
publication_status: published
publisher: Springer Science and Business Media LLC
quality_controlled: '1'
status: public
title: Quasi-In Situ Localized Corrosion of an Additively Manufactured FeCo Alloy
in 5 Wt Pct NaCl Solution
type: journal_article
user_id: '48411'
year: '2023'
...
---
_id: '46813'
abstract:
- lang: eng
text: Modelling of dynamic systems plays an important role in many engineering disciplines.
Two different approaches are physical modelling and data‐driven modelling, both
of which have their respective advantages and disadvantages. By combining these
two approaches, hybrid models can be created in which the respective disadvantages
are mitigated, with discrepancy models being a particular subclass. Here, the
basic system behaviour is described physically, that is, in the form of differential
equations. Inaccuracies resulting from insufficient modelling or numerics lead
to a discrepancy between the measurements and the model, which can be compensated
by a data‐driven error correction term. Since discrepancy methods still require
a large amount of measurement data, this paper investigates the extent to which
a single discrepancy model can be trained for a physical model with additional
parameter dependencies without the need for retraining. As an example, a damped
electromagnetic oscillating circuit is used. The physical model is realised by
a differential equation describing the electric current, considering only inductance
and capacitance; dissipation due to resistance is neglected. This creates a discrepancy
between measurement and model, which is corrected by a data‐driven model. In the
experiments, the inductance and the capacity are varied. It is found that the
same data‐driven model can only be used if additional parametric dependencies
in the data‐driven term are considered as well.
author:
- first_name: Meike Claudia
full_name: Wohlleben, Meike Claudia
id: '43991'
last_name: Wohlleben
orcid: 0009-0009-9767-7168
- first_name: Lars
full_name: Muth, Lars
id: '77313'
last_name: Muth
orcid: 0000-0002-2938-5616
- first_name: Sebastian
full_name: Peitz, Sebastian
id: '47427'
last_name: Peitz
orcid: 0000-0002-3389-793X
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Wohlleben MC, Muth L, Peitz S, Sextro W. Transferability of a discrepancy
model for the dynamics of electromagnetic oscillating circuits. In: Proceedings
in Applied Mathematics and Mechanics. Wiley; 2023. doi:10.1002/pamm.202300039'
apa: Wohlleben, M. C., Muth, L., Peitz, S., & Sextro, W. (2023). Transferability
of a discrepancy model for the dynamics of electromagnetic oscillating circuits.
Proceedings in Applied Mathematics and Mechanics. https://doi.org/10.1002/pamm.202300039
bibtex: '@inproceedings{Wohlleben_Muth_Peitz_Sextro_2023, title={Transferability
of a discrepancy model for the dynamics of electromagnetic oscillating circuits},
DOI={10.1002/pamm.202300039},
booktitle={Proceedings in Applied Mathematics and Mechanics}, publisher={Wiley},
author={Wohlleben, Meike Claudia and Muth, Lars and Peitz, Sebastian and Sextro,
Walter}, year={2023} }'
chicago: Wohlleben, Meike Claudia, Lars Muth, Sebastian Peitz, and Walter Sextro.
“Transferability of a Discrepancy Model for the Dynamics of Electromagnetic Oscillating
Circuits.” In Proceedings in Applied Mathematics and Mechanics. Wiley,
2023. https://doi.org/10.1002/pamm.202300039.
ieee: 'M. C. Wohlleben, L. Muth, S. Peitz, and W. Sextro, “Transferability of a
discrepancy model for the dynamics of electromagnetic oscillating circuits,” 2023,
doi: 10.1002/pamm.202300039.'
mla: Wohlleben, Meike Claudia, et al. “Transferability of a Discrepancy Model for
the Dynamics of Electromagnetic Oscillating Circuits.” Proceedings in Applied
Mathematics and Mechanics, Wiley, 2023, doi:10.1002/pamm.202300039.
short: 'M.C. Wohlleben, L. Muth, S. Peitz, W. Sextro, in: Proceedings in Applied
Mathematics and Mechanics, Wiley, 2023.'
date_created: 2023-09-06T05:18:05Z
date_updated: 2023-09-21T14:47:20Z
department:
- _id: '655'
- _id: '151'
doi: 10.1002/pamm.202300039
keyword:
- Electrical and Electronic Engineering
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://onlinelibrary.wiley.com/doi/epdf/10.1002/pamm.202300039
oa: '1'
publication: Proceedings in Applied Mathematics and Mechanics
publication_identifier:
issn:
- 1617-7061
- 1617-7061
publication_status: published
publisher: Wiley
quality_controlled: '1'
status: public
title: Transferability of a discrepancy model for the dynamics of electromagnetic
oscillating circuits
type: conference
user_id: '77313'
year: '2023'
...
---
_id: '37200'
abstract:
- lang: eng
text: (1) This work answers the question of whether and to what extent there
is a significant difference in mechanical properties when different additive manufacturing
processes are applied to the material 1.2709. The Laser-Powder-Bed-Fusion (L-PBF)
and Laser-Metal-Deposition (LMD) processes are considered, as they differ fundamentally
in the way a part is manufactured. (2) Known process parameters for low-porosity
parts were used to fabricate tensile strength specimens. Half of the specimens
were heat-treated, and all specimens were tested for mechanical properties in
a quasi-static tensile test. In addition, the material hardness was determined.
(3) It was found that, firstly, heat treatment resulted in a sharp increase in
mechanical properties such as hardness, elastic modulus, yield strength and ultimate
strength. In addition to the increase in these properties, the elongation at break
also decreases significantly after heat treatment. The choice of process, on the
other hand, does not give either process a clear advantage in terms of mechanical
properties but shows that it is necessary to consider the essential mechanical
properties for a desired application.
article_number: '157'
article_type: original
author:
- first_name: Stefan
full_name: Gnaase, Stefan
id: '25730'
last_name: Gnaase
- first_name: Dennis
full_name: Niggemeyer, Dennis
id: '77214'
last_name: Niggemeyer
- first_name: Dennis
full_name: Lehnert, Dennis
id: '90491'
last_name: Lehnert
- first_name: Christian
full_name: Bödger, Christian
id: '93904'
last_name: Bödger
- first_name: Thomas
full_name: Tröster, Thomas
id: '553'
last_name: Tröster
citation:
ama: Gnaase S, Niggemeyer D, Lehnert D, Bödger C, Tröster T. Comparative Study of
the Influence of Heat Treatment and Additive Manufacturing Process (LMD &
L-PBF) on the Mechanical Properties of Specimens Manufactured from 1.2709. Crystals.
2023;13(2). doi:10.3390/cryst13020157
apa: Gnaase, S., Niggemeyer, D., Lehnert, D., Bödger, C., & Tröster, T. (2023).
Comparative Study of the Influence of Heat Treatment and Additive Manufacturing
Process (LMD & L-PBF) on the Mechanical Properties of Specimens Manufactured
from 1.2709. Crystals, 13(2), Article 157. https://doi.org/10.3390/cryst13020157
bibtex: '@article{Gnaase_Niggemeyer_Lehnert_Bödger_Tröster_2023, title={Comparative
Study of the Influence of Heat Treatment and Additive Manufacturing Process (LMD
& L-PBF) on the Mechanical Properties of Specimens Manufactured from 1.2709},
volume={13}, DOI={10.3390/cryst13020157},
number={2157}, journal={Crystals}, publisher={MDPI AG}, author={Gnaase, Stefan
and Niggemeyer, Dennis and Lehnert, Dennis and Bödger, Christian and Tröster,
Thomas}, year={2023} }'
chicago: Gnaase, Stefan, Dennis Niggemeyer, Dennis Lehnert, Christian Bödger, and
Thomas Tröster. “Comparative Study of the Influence of Heat Treatment and Additive
Manufacturing Process (LMD & L-PBF) on the Mechanical Properties of Specimens
Manufactured from 1.2709.” Crystals 13, no. 2 (2023). https://doi.org/10.3390/cryst13020157.
ieee: 'S. Gnaase, D. Niggemeyer, D. Lehnert, C. Bödger, and T. Tröster, “Comparative
Study of the Influence of Heat Treatment and Additive Manufacturing Process (LMD
& L-PBF) on the Mechanical Properties of Specimens Manufactured from 1.2709,”
Crystals, vol. 13, no. 2, Art. no. 157, 2023, doi: 10.3390/cryst13020157.'
mla: Gnaase, Stefan, et al. “Comparative Study of the Influence of Heat Treatment
and Additive Manufacturing Process (LMD & L-PBF) on the Mechanical Properties
of Specimens Manufactured from 1.2709.” Crystals, vol. 13, no. 2, 157,
MDPI AG, 2023, doi:10.3390/cryst13020157.
short: S. Gnaase, D. Niggemeyer, D. Lehnert, C. Bödger, T. Tröster, Crystals 13
(2023).
date_created: 2023-01-18T05:44:59Z
date_updated: 2025-03-18T12:45:57Z
ddc:
- '670'
department:
- _id: '149'
- _id: '9'
- _id: '321'
doi: 10.3390/cryst13020157
file:
- access_level: closed
content_type: application/pdf
creator: cboedger
date_created: 2024-11-22T15:55:07Z
date_updated: 2024-11-22T15:55:07Z
file_id: '57334'
file_name: crystals-13-00157.pdf
file_size: 5838834
relation: main_file
success: 1
file_date_updated: 2024-11-22T15:55:07Z
intvolume: ' 13'
issue: '2'
keyword:
- Inorganic Chemistry
- Condensed Matter Physics
- General Materials Science
- General Chemical Engineering
language:
- iso: eng
publication: Crystals
publication_identifier:
issn:
- 2073-4352
publication_status: published
publisher: MDPI AG
quality_controlled: '1'
status: public
title: Comparative Study of the Influence of Heat Treatment and Additive Manufacturing
Process (LMD & L-PBF) on the Mechanical Properties of Specimens Manufactured
from 1.2709
type: journal_article
user_id: '90491'
volume: 13
year: '2023'
...