[{"file":[{"creator":"schindlm","file_id":"22163","date_updated":"2021-05-13T16:51:41Z","content_type":"application/pdf","relation":"main_file","description":"Creative Commons Attribution 4.0 International Public License (CC BY 4.0)","date_created":"2021-05-13T16:47:11Z","file_name":"crystals-11-00542.pdf","access_level":"open_access","file_size":3042827,"title":"Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response"}],"quality_controlled":"1","author":[{"first_name":"Falko","full_name":"Schmidt, Falko","orcid":"0000-0002-5071-5528","last_name":"Schmidt","id":"35251"},{"orcid":"https://orcid.org/0000-0001-6584-0201","full_name":"Kozub, Agnieszka L.","first_name":"Agnieszka L.","id":"77566","last_name":"Kozub"},{"id":"171","last_name":"Gerstmann","orcid":"0000-0002-4476-223X","full_name":"Gerstmann, Uwe","first_name":"Uwe"},{"last_name":"Schmidt","id":"468","first_name":"Wolf Gero","full_name":"Schmidt, Wolf Gero","orcid":"0000-0002-2717-5076"},{"last_name":"Schindlmayr","id":"458","first_name":"Arno","orcid":"0000-0002-4855-071X","full_name":"Schindlmayr, Arno"}],"publisher":"MDPI","publication":"Crystals","file_date_updated":"2021-05-13T16:51:41Z","has_accepted_license":"1","status":"public","date_created":"2021-05-03T09:36:13Z","volume":11,"article_type":"original","abstract":[{"lang":"eng","text":"Lithium niobate (LiNbO3), a material frequently used in optical applications, hosts different kinds of polarons that significantly affect many of its physical properties. In this study, a variety of electron polarons, namely free, bound, and bipolarons, are analyzed using first-principles calculations. We perform a full structural optimization based on density-functional theory for selected intrinsic defects with special attention to the role of symmetry-breaking distortions that lower the total energy. The cations hosting the various polarons relax to a different degree, with a larger relaxation corresponding to a larger gap between the defect level and the conduction-band edge. The projected density of states reveals that the polaron states are formerly empty Nb 4d states lowered into the band gap. Optical absorption spectra are derived within the independent-particle approximation, corrected by the GW approximation that yields a wider band gap and by including excitonic effects within the Bethe-Salpeter equation. Comparing the calculated spectra with the density of states, we find that the defect peak observed in the optical absorption stems from transitions between the defect level and a continuum of empty Nb 4d states. Signatures of polarons are further analyzed in the reflectivity and other experimentally measurable optical coefficients."}],"user_id":"171","ddc":["530"],"funded_apc":"1","type":"journal_article","citation":{"short":"F. Schmidt, A.L. Kozub, U. Gerstmann, W.G. Schmidt, A. Schindlmayr, Crystals 11 (2021) 542.","ieee":"F. Schmidt, A. L. Kozub, U. Gerstmann, W. G. Schmidt, and A. Schindlmayr, “Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response,” Crystals, vol. 11, p. 542, 2021, doi: 10.3390/cryst11050542.","ama":"Schmidt F, Kozub AL, Gerstmann U, Schmidt WG, Schindlmayr A. Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response. Crystals. 2021;11:542. doi:10.3390/cryst11050542","apa":"Schmidt, F., Kozub, A. L., Gerstmann, U., Schmidt, W. G., & Schindlmayr, A. (2021). Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response. Crystals, 11, 542. https://doi.org/10.3390/cryst11050542","chicago":"Schmidt, Falko, Agnieszka L. Kozub, Uwe Gerstmann, Wolf Gero Schmidt, and Arno Schindlmayr. “Electron Polarons in Lithium Niobate: Charge Localization, Lattice Deformation, and Optical Response.” Crystals 11 (2021): 542. https://doi.org/10.3390/cryst11050542.","mla":"Schmidt, Falko, et al. “Electron Polarons in Lithium Niobate: Charge Localization, Lattice Deformation, and Optical Response.” Crystals, vol. 11, MDPI, 2021, p. 542, doi:10.3390/cryst11050542.","bibtex":"@article{Schmidt_Kozub_Gerstmann_Schmidt_Schindlmayr_2021, title={Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response}, volume={11}, DOI={10.3390/cryst11050542}, journal={Crystals}, publisher={MDPI}, author={Schmidt, Falko and Kozub, Agnieszka L. and Gerstmann, Uwe and Schmidt, Wolf Gero and Schindlmayr, Arno}, year={2021}, pages={542} }"},"year":"2021","page":"542","intvolume":" 11","_id":"21946","isi":"1","department":[{"_id":"296"},{"_id":"230"},{"_id":"429"},{"_id":"295"},{"_id":"15"},{"_id":"170"},{"_id":"35"},{"_id":"790"}],"project":[{"_id":"53","name":"TRR 142"},{"name":"TRR 142 - Project Area B","_id":"55"},{"_id":"69","name":"TRR 142 - Subproject B4"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"publication_identifier":{"eissn":["2073-4352"]},"publication_status":"published","external_id":{"isi":["000653822700001"]},"title":"Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response","language":[{"iso":"eng"}],"date_updated":"2023-04-21T11:20:15Z","oa":"1","doi":"10.3390/cryst11050542"},{"date_updated":"2023-04-21T11:18:00Z","doi":"10.1364/FIO.2021.FW5C.6","language":[{"iso":"eng"}],"title":"Coherent and incoherent contribution of population dynamics of semiconductor exciton-polaritons","department":[{"_id":"293"},{"_id":"35"},{"_id":"15"},{"_id":"170"},{"_id":"230"}],"publication_status":"published","publication_identifier":{"isbn":["978-1-55752-308-2"]},"conference":{"location":"Washington, DC United States","name":"Frontiers in Optics 2021","start_date":"2021-11-01","end_date":"2021-11-04"},"_id":"43746","article_number":"FW5C. 6","main_file_link":[{"url":"https://opg.optica.org/abstract.cfm?uri=FiO-2021-FW5C.6"}],"year":"2021","type":"conference","citation":{"ieee":"T. Meier, J. Paul, H. Rose, J. K. Wahlstrand, and A. D. Bristow, “Coherent and incoherent contribution of population dynamics of semiconductor exciton-polaritons,” presented at the Frontiers in Optics 2021, Washington, DC United States, 2021, doi: 10.1364/FIO.2021.FW5C.6.","short":"T. Meier, J. Paul, H. Rose, J.K. Wahlstrand, A.D. Bristow, in: Frontiers in Optics, Frontiers in Optics, 2021.","mla":"Meier, Torsten, et al. “Coherent and Incoherent Contribution of Population Dynamics of Semiconductor Exciton-Polaritons.” Frontiers in Optics, FW5C. 6, Frontiers in Optics, 2021, doi:10.1364/FIO.2021.FW5C.6.","bibtex":"@inproceedings{Meier_Paul_Rose_Wahlstrand_Bristow_2021, title={Coherent and incoherent contribution of population dynamics of semiconductor exciton-polaritons}, DOI={10.1364/FIO.2021.FW5C.6}, number={FW5C. 6}, booktitle={Frontiers in Optics}, publisher={Frontiers in Optics}, author={Meier, Torsten and Paul, Jagannath and Rose, Hendrik and Wahlstrand, Jared K and Bristow, Alan D}, year={2021} }","chicago":"Meier, Torsten, Jagannath Paul, Hendrik Rose, Jared K Wahlstrand, and Alan D Bristow. “Coherent and Incoherent Contribution of Population Dynamics of Semiconductor Exciton-Polaritons.” In Frontiers in Optics. Frontiers in Optics, 2021. https://doi.org/10.1364/FIO.2021.FW5C.6.","apa":"Meier, T., Paul, J., Rose, H., Wahlstrand, J. K., & Bristow, A. D. (2021). Coherent and incoherent contribution of population dynamics of semiconductor exciton-polaritons. Frontiers in Optics, Article FW5C. 6. Frontiers in Optics 2021, Washington, DC United States. https://doi.org/10.1364/FIO.2021.FW5C.6","ama":"Meier T, Paul J, Rose H, Wahlstrand JK, Bristow AD. Coherent and incoherent contribution of population dynamics of semiconductor exciton-polaritons. In: Frontiers in Optics. Frontiers in Optics; 2021. doi:10.1364/FIO.2021.FW5C.6"},"abstract":[{"text":"Population/mixing-time-dependent two-dimensional coherent spectra are presented for exciton-polaritons in a microcavity. Theory based on dynamically-controlled truncation reveals coherent and incoherent contributions to the decay dynamics.","lang":"eng"}],"user_id":"16199","publication":"Frontiers in Optics","author":[{"last_name":"Meier","id":"344","first_name":"Torsten","full_name":"Meier, Torsten","orcid":"0000-0001-8864-2072"},{"last_name":"Paul","first_name":"Jagannath","full_name":"Paul, Jagannath"},{"orcid":"0000-0002-3079-5428","full_name":"Rose, Hendrik","first_name":"Hendrik","id":"55958","last_name":"Rose"},{"first_name":"Jared K","full_name":"Wahlstrand, Jared K","last_name":"Wahlstrand"},{"full_name":"Bristow, Alan D","first_name":"Alan D","last_name":"Bristow"}],"publisher":"Frontiers in Optics","date_created":"2023-04-16T01:39:04Z","status":"public"},{"doi":"10.1117/12.2576887","date_updated":"2023-04-21T11:20:10Z","language":[{"iso":"eng"}],"series_title":"SPIE Proceedings","title":"Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles","publication_status":"published","editor":[{"full_name":"Betz, Markus","first_name":"Markus","last_name":"Betz"},{"first_name":"Abdulhakem Y.","full_name":"Elezzabi, Abdulhakem Y.","last_name":"Elezzabi"}],"project":[{"_id":"53","name":"TRR 142"},{"_id":"54","name":"TRR 142 - Project Area A"},{"_id":"59","name":"TRR 142 - Subproject A2"},{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"623"},{"_id":"35"}],"article_number":"116840X","_id":"23474","intvolume":" 11684","type":"conference","year":"2021","citation":{"short":"M. Reichelt, H. Rose, A.N. Kosarev, S.V. Poltavtsev, M. Bayer, I.A. Akimov, C. Schneider, M. Kamp, S. Höfling, T. Meier, in: M. Betz, A.Y. Elezzabi (Eds.), Ultrafast Phenomena and Nanophotonics XXV, 2021.","ieee":"M. Reichelt et al., “Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles,” in Ultrafast Phenomena and Nanophotonics XXV, 2021, vol. 11684, doi: 10.1117/12.2576887.","ama":"Reichelt M, Rose H, Kosarev AN, et al. Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles. In: Betz M, Elezzabi AY, eds. Ultrafast Phenomena and Nanophotonics XXV. Vol 11684. SPIE Proceedings. ; 2021. doi:10.1117/12.2576887","apa":"Reichelt, M., Rose, H., Kosarev, A. N., Poltavtsev, S. V., Bayer, M., Akimov, I. A., Schneider, C., Kamp, M., Höfling, S., & Meier, T. (2021). Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles. In M. Betz & A. Y. Elezzabi (Eds.), Ultrafast Phenomena and Nanophotonics XXV (No. 116840X; Vol. 11684). https://doi.org/10.1117/12.2576887","chicago":"Reichelt, Matthias, Hendrik Rose, Alexander N. Kosarev, Sergey V. Poltavtsev, Manfred Bayer, Ilya A. Akimov, Christian Schneider, Martin Kamp, Sven Höfling, and Torsten Meier. “Controlling the Emission Time of Photon Echoes by Optical Freezing of Exciton Dephasing and Rephasing in Quantum-Dot Ensembles.” In Ultrafast Phenomena and Nanophotonics XXV, edited by Markus Betz and Abdulhakem Y. Elezzabi, Vol. 11684. SPIE Proceedings, 2021. https://doi.org/10.1117/12.2576887.","bibtex":"@inproceedings{Reichelt_Rose_Kosarev_Poltavtsev_Bayer_Akimov_Schneider_Kamp_Höfling_Meier_2021, series={SPIE Proceedings}, title={Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles}, volume={11684}, DOI={10.1117/12.2576887}, number={116840X}, booktitle={Ultrafast Phenomena and Nanophotonics XXV}, author={Reichelt, Matthias and Rose, Hendrik and Kosarev, Alexander N. and Poltavtsev, Sergey V. and Bayer, Manfred and Akimov, Ilya A. and Schneider, Christian and Kamp, Martin and Höfling, Sven and Meier, Torsten}, editor={Betz, Markus and Elezzabi, Abdulhakem Y.}, year={2021}, collection={SPIE Proceedings} }","mla":"Reichelt, Matthias, et al. “Controlling the Emission Time of Photon Echoes by Optical Freezing of Exciton Dephasing and Rephasing in Quantum-Dot Ensembles.” Ultrafast Phenomena and Nanophotonics XXV, edited by Markus Betz and Abdulhakem Y. Elezzabi, vol. 11684, 116840X, 2021, doi:10.1117/12.2576887."},"user_id":"16199","volume":11684,"date_created":"2021-08-24T08:46:40Z","status":"public","publication":"Ultrafast Phenomena and Nanophotonics XXV","author":[{"last_name":"Reichelt","id":"138","first_name":"Matthias","full_name":"Reichelt, Matthias"},{"last_name":"Rose","id":"55958","first_name":"Hendrik","full_name":"Rose, Hendrik","orcid":"0000-0002-3079-5428"},{"first_name":"Alexander N.","full_name":"Kosarev, Alexander N.","last_name":"Kosarev"},{"last_name":"Poltavtsev","full_name":"Poltavtsev, Sergey V.","first_name":"Sergey V."},{"first_name":"Manfred","full_name":"Bayer, Manfred","last_name":"Bayer"},{"full_name":"Akimov, Ilya A.","first_name":"Ilya A.","last_name":"Akimov"},{"first_name":"Christian","full_name":"Schneider, Christian","last_name":"Schneider"},{"full_name":"Kamp, Martin","first_name":"Martin","last_name":"Kamp"},{"last_name":"Höfling","full_name":"Höfling, Sven","first_name":"Sven"},{"orcid":"0000-0001-8864-2072","full_name":"Meier, Torsten","first_name":"Torsten","id":"344","last_name":"Meier"}]},{"department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"790"},{"_id":"35"}],"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"publication_status":"published","publication_identifier":{"issn":["2469-9950","2469-9969"]},"title":"Hyperfine and nuclear quadrupole splitting of the NV− ground state in 4H-SiC","language":[{"iso":"eng"}],"date_updated":"2023-04-21T11:18:54Z","doi":"10.1103/physrevb.103.245203","publisher":"American Physical Society (APS)","author":[{"last_name":"Murzakhanov","first_name":"F. F.","full_name":"Murzakhanov, F. F."},{"full_name":"Yavkin, B. V.","first_name":"B. V.","last_name":"Yavkin"},{"first_name":"G. V.","full_name":"Mamin, G. V.","last_name":"Mamin"},{"full_name":"Orlinskii, S. B.","first_name":"S. B.","last_name":"Orlinskii"},{"first_name":"H. J.","full_name":"von Bardeleben, H. J.","last_name":"von Bardeleben"},{"id":"65612","last_name":"Biktagirov","full_name":"Biktagirov, Timur","first_name":"Timur"},{"id":"171","last_name":"Gerstmann","orcid":"0000-0002-4476-223X","full_name":"Gerstmann, Uwe","first_name":"Uwe"},{"last_name":"Soltamov","full_name":"Soltamov, V. A.","first_name":"V. A."}],"publication":"Physical Review B","status":"public","date_created":"2022-02-03T15:39:59Z","volume":103,"user_id":"171","year":"2021","type":"journal_article","citation":{"ieee":"F. F. Murzakhanov et al., “Hyperfine and nuclear quadrupole splitting of the NV− ground state in 4H-SiC,” Physical Review B, vol. 103, p. 245203, 2021, doi: 10.1103/physrevb.103.245203.","short":"F.F. Murzakhanov, B.V. Yavkin, G.V. Mamin, S.B. Orlinskii, H.J. von Bardeleben, T. Biktagirov, U. Gerstmann, V.A. Soltamov, Physical Review B 103 (2021) 245203.","mla":"Murzakhanov, F. F., et al. “Hyperfine and Nuclear Quadrupole Splitting of the NV− Ground State in 4H-SiC.” Physical Review B, vol. 103, American Physical Society (APS), 2021, p. 245203, doi:10.1103/physrevb.103.245203.","bibtex":"@article{Murzakhanov_Yavkin_Mamin_Orlinskii_von Bardeleben_Biktagirov_Gerstmann_Soltamov_2021, title={Hyperfine and nuclear quadrupole splitting of the NV− ground state in 4H-SiC}, volume={103}, DOI={10.1103/physrevb.103.245203}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Murzakhanov, F. F. and Yavkin, B. V. and Mamin, G. V. and Orlinskii, S. B. and von Bardeleben, H. J. and Biktagirov, Timur and Gerstmann, Uwe and Soltamov, V. A.}, year={2021}, pages={245203} }","apa":"Murzakhanov, F. F., Yavkin, B. V., Mamin, G. V., Orlinskii, S. B., von Bardeleben, H. J., Biktagirov, T., Gerstmann, U., & Soltamov, V. A. (2021). Hyperfine and nuclear quadrupole splitting of the NV− ground state in 4H-SiC. Physical Review B, 103, 245203. https://doi.org/10.1103/physrevb.103.245203","ama":"Murzakhanov FF, Yavkin BV, Mamin GV, et al. Hyperfine and nuclear quadrupole splitting of the NV− ground state in 4H-SiC. Physical Review B. 2021;103:245203. doi:10.1103/physrevb.103.245203","chicago":"Murzakhanov, F. F., B. V. Yavkin, G. V. Mamin, S. B. Orlinskii, H. J. von Bardeleben, Timur Biktagirov, Uwe Gerstmann, and V. A. Soltamov. “Hyperfine and Nuclear Quadrupole Splitting of the NV− Ground State in 4H-SiC.” Physical Review B 103 (2021): 245203. https://doi.org/10.1103/physrevb.103.245203."},"page":"245203","intvolume":" 103","_id":"29749"},{"date_updated":"2023-04-21T11:17:27Z","_id":"22010","intvolume":" 103","doi":"10.1103/physrevb.103.035303","type":"journal_article","year":"2021","citation":{"bibtex":"@article{Aldahhak_Hogan_Lindner_Appelfeller_Eisele_Schmidt_Dähne_Gerstmann_Franz_2021, title={Electronic structure of the Si(111)3×3R30∘−B surface from theory and photoemission spectroscopy}, volume={103}, DOI={10.1103/physrevb.103.035303}, journal={Physical Review B}, author={Aldahhak, Hazem and Hogan, Conor and Lindner, Susi and Appelfeller, Stephan and Eisele, Holger and Schmidt, Wolf Gero and Dähne, Mario and Gerstmann, Uwe and Franz, Martin}, year={2021}, pages={035303} }","mla":"Aldahhak, Hazem, et al. “Electronic Structure of the Si(111)3×3R30∘−B Surface from Theory and Photoemission Spectroscopy.” Physical Review B, vol. 103, 2021, p. 035303, doi:10.1103/physrevb.103.035303.","apa":"Aldahhak, H., Hogan, C., Lindner, S., Appelfeller, S., Eisele, H., Schmidt, W. G., Dähne, M., Gerstmann, U., & Franz, M. (2021). Electronic structure of the Si(111)3×3R30∘−B surface from theory and photoemission spectroscopy. Physical Review B, 103, 035303. https://doi.org/10.1103/physrevb.103.035303","ama":"Aldahhak H, Hogan C, Lindner S, et al. Electronic structure of the Si(111)3×3R30∘−B surface from theory and photoemission spectroscopy. Physical Review B. 2021;103:035303. doi:10.1103/physrevb.103.035303","chicago":"Aldahhak, Hazem, Conor Hogan, Susi Lindner, Stephan Appelfeller, Holger Eisele, Wolf Gero Schmidt, Mario Dähne, Uwe Gerstmann, and Martin Franz. “Electronic Structure of the Si(111)3×3R30∘−B Surface from Theory and Photoemission Spectroscopy.” Physical Review B 103 (2021): 035303. https://doi.org/10.1103/physrevb.103.035303.","ieee":"H. Aldahhak et al., “Electronic structure of the Si(111)3×3R30∘−B surface from theory and photoemission spectroscopy,” Physical Review B, vol. 103, p. 035303, 2021, doi: 10.1103/physrevb.103.035303.","short":"H. Aldahhak, C. Hogan, S. Lindner, S. Appelfeller, H. Eisele, W.G. Schmidt, M. Dähne, U. Gerstmann, M. Franz, Physical Review B 103 (2021) 035303."},"page":"035303","language":[{"iso":"eng"}],"title":"Electronic structure of the Si(111)3×3R30∘−B surface from theory and photoemission spectroscopy","user_id":"171","author":[{"last_name":"Aldahhak","first_name":"Hazem","full_name":"Aldahhak, Hazem"},{"full_name":"Hogan, Conor","first_name":"Conor","last_name":"Hogan"},{"last_name":"Lindner","first_name":"Susi","full_name":"Lindner, Susi"},{"last_name":"Appelfeller","first_name":"Stephan","full_name":"Appelfeller, Stephan"},{"last_name":"Eisele","full_name":"Eisele, Holger","first_name":"Holger"},{"id":"468","last_name":"Schmidt","orcid":"0000-0002-2717-5076","full_name":"Schmidt, Wolf Gero","first_name":"Wolf Gero"},{"full_name":"Dähne, Mario","first_name":"Mario","last_name":"Dähne"},{"full_name":"Gerstmann, Uwe","orcid":"0000-0002-4476-223X","first_name":"Uwe","id":"171","last_name":"Gerstmann"},{"full_name":"Franz, Martin","first_name":"Martin","last_name":"Franz"}],"publication":"Physical Review B","department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"35"},{"_id":"790"}],"volume":103,"publication_status":"published","publication_identifier":{"issn":["2469-9950","2469-9969"]},"status":"public","date_created":"2021-05-06T12:53:14Z","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"TRR 142","_id":"53"},{"name":"TRR 142 - Project Area B","_id":"55"},{"_id":"69","name":"TRR 142 - Subproject B4"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}]},{"department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"623"},{"_id":"35"}],"publication":"Physical Review A","author":[{"id":"55958","last_name":"Rose","full_name":"Rose, Hendrik","orcid":"0000-0002-3079-5428","first_name":"Hendrik"},{"first_name":"D. V.","full_name":"Popolitova, D. V.","last_name":"Popolitova"},{"last_name":"Tikhonova","full_name":"Tikhonova, O. V.","first_name":"O. V."},{"id":"344","last_name":"Meier","orcid":"0000-0001-8864-2072","full_name":"Meier, Torsten","first_name":"Torsten"},{"id":"60286","last_name":"Sharapova","full_name":"Sharapova, Polina","first_name":"Polina"}],"publication_status":"published","volume":103,"publication_identifier":{"issn":["2469-9926","2469-9934"]},"date_created":"2021-08-24T08:51:19Z","status":"public","title":"Dark-state and loss-induced phenomena in the quantum-optical regime of Λ-type three-level systems","user_id":"16199","type":"journal_article","year":"2021","citation":{"ieee":"H. Rose, D. V. Popolitova, O. V. Tikhonova, T. Meier, and P. Sharapova, “Dark-state and loss-induced phenomena in the quantum-optical regime of Λ-type three-level systems,” Physical Review A, vol. 103, Art. no. 013702, 2021, doi: 10.1103/physreva.103.013702.","short":"H. Rose, D.V. Popolitova, O.V. Tikhonova, T. Meier, P. Sharapova, Physical Review A 103 (2021).","bibtex":"@article{Rose_Popolitova_Tikhonova_Meier_Sharapova_2021, title={Dark-state and loss-induced phenomena in the quantum-optical regime of Λ-type three-level systems}, volume={103}, DOI={10.1103/physreva.103.013702}, number={013702}, journal={Physical Review A}, author={Rose, Hendrik and Popolitova, D. V. and Tikhonova, O. V. and Meier, Torsten and Sharapova, Polina}, year={2021} }","mla":"Rose, Hendrik, et al. “Dark-State and Loss-Induced Phenomena in the Quantum-Optical Regime of Λ-Type Three-Level Systems.” Physical Review A, vol. 103, 013702, 2021, doi:10.1103/physreva.103.013702.","apa":"Rose, H., Popolitova, D. V., Tikhonova, O. V., Meier, T., & Sharapova, P. (2021). Dark-state and loss-induced phenomena in the quantum-optical regime of Λ-type three-level systems. Physical Review A, 103, Article 013702. https://doi.org/10.1103/physreva.103.013702","ama":"Rose H, Popolitova DV, Tikhonova OV, Meier T, Sharapova P. Dark-state and loss-induced phenomena in the quantum-optical regime of Λ-type three-level systems. Physical Review A. 2021;103. doi:10.1103/physreva.103.013702","chicago":"Rose, Hendrik, D. V. Popolitova, O. V. Tikhonova, Torsten Meier, and Polina Sharapova. “Dark-State and Loss-Induced Phenomena in the Quantum-Optical Regime of Λ-Type Three-Level Systems.” Physical Review A 103 (2021). https://doi.org/10.1103/physreva.103.013702."},"language":[{"iso":"eng"}],"_id":"23478","date_updated":"2023-04-21T11:20:34Z","intvolume":" 103","doi":"10.1103/physreva.103.013702","article_number":"013702"},{"user_id":"16199","title":"Approximate nonlinear wave solutions of the coupled two-component Gross–Pitaevskii equations with spin–orbit interaction","status":"public","date_created":"2021-08-24T08:43:07Z","publication_identifier":{"issn":["1367-2630"]},"volume":23,"publication_status":"published","author":[{"full_name":"Belobo, Didier Belobo","first_name":"Didier Belobo","last_name":"Belobo"},{"last_name":"Meier","id":"344","first_name":"Torsten","full_name":"Meier, Torsten","orcid":"0000-0001-8864-2072"}],"publication":"New Journal of Physics","department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"35"}],"article_number":"043045","doi":"10.1088/1367-2630/abf3ed","date_updated":"2023-04-21T11:20:56Z","_id":"23473","intvolume":" 23","language":[{"iso":"eng"}],"type":"journal_article","citation":{"chicago":"Belobo, Didier Belobo, and Torsten Meier. “Approximate Nonlinear Wave Solutions of the Coupled Two-Component Gross–Pitaevskii Equations with Spin–Orbit Interaction.” New Journal of Physics 23 (2021). https://doi.org/10.1088/1367-2630/abf3ed.","apa":"Belobo, D. B., & Meier, T. (2021). Approximate nonlinear wave solutions of the coupled two-component Gross–Pitaevskii equations with spin–orbit interaction. New Journal of Physics, 23, Article 043045. https://doi.org/10.1088/1367-2630/abf3ed","ama":"Belobo DB, Meier T. Approximate nonlinear wave solutions of the coupled two-component Gross–Pitaevskii equations with spin–orbit interaction. New Journal of Physics. 2021;23. doi:10.1088/1367-2630/abf3ed","mla":"Belobo, Didier Belobo, and Torsten Meier. “Approximate Nonlinear Wave Solutions of the Coupled Two-Component Gross–Pitaevskii Equations with Spin–Orbit Interaction.” New Journal of Physics, vol. 23, 043045, 2021, doi:10.1088/1367-2630/abf3ed.","bibtex":"@article{Belobo_Meier_2021, title={Approximate nonlinear wave solutions of the coupled two-component Gross–Pitaevskii equations with spin–orbit interaction}, volume={23}, DOI={10.1088/1367-2630/abf3ed}, number={043045}, journal={New Journal of Physics}, author={Belobo, Didier Belobo and Meier, Torsten}, year={2021} }","short":"D.B. Belobo, T. Meier, New Journal of Physics 23 (2021).","ieee":"D. B. Belobo and T. Meier, “Approximate nonlinear wave solutions of the coupled two-component Gross–Pitaevskii equations with spin–orbit interaction,” New Journal of Physics, vol. 23, Art. no. 043045, 2021, doi: 10.1088/1367-2630/abf3ed."},"year":"2021"},{"_id":"22881","intvolume":" 103","date_updated":"2023-04-21T11:24:45Z","doi":"10.1103/physrevb.103.l201408","year":"2021","citation":{"short":"T.T.N. Nguyen, T. Sollfrank, C. Tegenkamp, E. Rauls, U. Gerstmann, Physical Review B 103 (2021) L201408.","ieee":"T. T. N. Nguyen, T. Sollfrank, C. Tegenkamp, E. Rauls, and U. Gerstmann, “Impact of screening and relaxation on weakly coupled two-dimensional heterostructures,” Physical Review B, vol. 103, p. L201408, 2021, doi: 10.1103/physrevb.103.l201408.","ama":"Nguyen TTN, Sollfrank T, Tegenkamp C, Rauls E, Gerstmann U. Impact of screening and relaxation on weakly coupled two-dimensional heterostructures. Physical Review B. 2021;103:L201408. doi:10.1103/physrevb.103.l201408","apa":"Nguyen, T. T. N., Sollfrank, T., Tegenkamp, C., Rauls, E., & Gerstmann, U. (2021). Impact of screening and relaxation on weakly coupled two-dimensional heterostructures. Physical Review B, 103, L201408. https://doi.org/10.1103/physrevb.103.l201408","chicago":"Nguyen, T. T. Nhung, T. Sollfrank, C. Tegenkamp, E. Rauls, and Uwe Gerstmann. “Impact of Screening and Relaxation on Weakly Coupled Two-Dimensional Heterostructures.” Physical Review B 103 (2021): L201408. https://doi.org/10.1103/physrevb.103.l201408.","bibtex":"@article{Nguyen_Sollfrank_Tegenkamp_Rauls_Gerstmann_2021, title={Impact of screening and relaxation on weakly coupled two-dimensional heterostructures}, volume={103}, DOI={10.1103/physrevb.103.l201408}, journal={Physical Review B}, author={Nguyen, T. T. Nhung and Sollfrank, T. and Tegenkamp, C. and Rauls, E. and Gerstmann, Uwe}, year={2021}, pages={L201408} }","mla":"Nguyen, T. T. Nhung, et al. “Impact of Screening and Relaxation on Weakly Coupled Two-Dimensional Heterostructures.” Physical Review B, vol. 103, 2021, p. L201408, doi:10.1103/physrevb.103.l201408."},"type":"journal_article","page":"L201408","language":[{"iso":"eng"}],"title":"Impact of screening and relaxation on weakly coupled two-dimensional heterostructures","user_id":"171","author":[{"last_name":"Nguyen","full_name":"Nguyen, T. T. Nhung","first_name":"T. T. Nhung"},{"last_name":"Sollfrank","full_name":"Sollfrank, T.","first_name":"T."},{"full_name":"Tegenkamp, C.","first_name":"C.","last_name":"Tegenkamp"},{"first_name":"E.","full_name":"Rauls, E.","last_name":"Rauls"},{"id":"171","last_name":"Gerstmann","full_name":"Gerstmann, Uwe","orcid":"0000-0002-4476-223X","first_name":"Uwe"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"35"},{"_id":"790"}],"publication":"Physical Review B","publication_identifier":{"issn":["2469-9950","2469-9969"]},"volume":103,"publication_status":"published","status":"public","date_created":"2021-07-29T07:09:50Z","project":[{"name":"TRR 142","_id":"53"},{"_id":"55","name":"TRR 142 - Project Area B"},{"_id":"69","name":"TRR 142 - Subproject B4"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}]},{"title":"Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production","user_id":"83141","abstract":[{"lang":"eng","text":"Modern forming processes often allow today the efficient production of complex parts. In order to increase the sustainability of forming processes it would be favorable if the forming of workpieces becomes possible using production waste. At the Chair of Forming and Machining Technology of the Paderborn University (LUF) research is presently conducted with the overall goal to produce workpieces directly from secondary aluminum (e.g., powder and chips). Therefore, friction-based forming processes like friction spinning (or cognate processes) are used due to their high efficiency. As a pre-step, the production of semi-finished parts was the subject of accorded research work at the LUF. Therefore, a friction-based hot extrusion process was used for the full recycling or rework of aluminum chips into profiles. Investigations of the recycled semi-finished products show that they are comparable to conventionally produced semi-finished products in terms of dimensional stability and shape accuracy. An analysis of the mechanical properties of hardness and tensile strength shows that a final product with good and homogeneously distributed properties can be produced. Furthermore, significant correlations to the friction spinning process could be found that are useful for the above-mentioned direct part production from secondary aluminum."}],"publication_identifier":{"issn":["2075-4701"]},"publication_status":"published","status":"public","date_created":"2021-04-20T05:02:14Z","quality_controlled":"1","author":[{"full_name":"Borgert, Thomas","first_name":"Thomas","id":"83141","last_name":"Borgert"},{"last_name":"Homberg","full_name":"Homberg, Werner","first_name":"Werner"}],"publication":"Metals","department":[{"_id":"156"}],"article_number":"663","doi":"10.3390/met11040663","_id":"21635","date_updated":"2023-04-26T13:25:52Z","citation":{"ieee":"T. Borgert and W. Homberg, “Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production,” Metals, Art. no. 663, 2021, doi: 10.3390/met11040663.","short":"T. Borgert, W. Homberg, Metals (2021).","mla":"Borgert, Thomas, and Werner Homberg. “Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production.” Metals, 663, 2021, doi:10.3390/met11040663.","bibtex":"@article{Borgert_Homberg_2021, title={Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production}, DOI={10.3390/met11040663}, number={663}, journal={Metals}, author={Borgert, Thomas and Homberg, Werner}, year={2021} }","apa":"Borgert, T., & Homberg, W. (2021). Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production. Metals, Article 663. https://doi.org/10.3390/met11040663","ama":"Borgert T, Homberg W. Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production. Metals. Published online 2021. doi:10.3390/met11040663","chicago":"Borgert, Thomas, and Werner Homberg. “Friction-Induced Recycling Process for User-Specific Semi-Finished Product Production.” Metals, 2021. https://doi.org/10.3390/met11040663."},"type":"journal_article","year":"2021","language":[{"iso":"eng"}]},{"status":"public","date_created":"2021-09-03T11:23:28Z","publication_identifier":{"isbn":["978-1-7138-3075-7"]},"quality_controlled":"1","author":[{"full_name":"Moritzer, Elmar","first_name":"Elmar","id":"20531","last_name":"Moritzer"},{"full_name":"Flachmann, Felix","orcid":"0000-0002-7651-7028","first_name":"Felix","id":"38212","last_name":"Flachmann"}],"publication":"SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals","department":[{"_id":"321"},{"_id":"9"},{"_id":"367"}],"user_id":"38212","title":"Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts","language":[{"iso":"eng"}],"citation":{"apa":"Moritzer, E., & Flachmann, F. (2021). Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts. SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals, 536–540.","ama":"Moritzer E, Flachmann F. Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts. In: SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals. ; 2021:536-540.","chicago":"Moritzer, Elmar, and Felix Flachmann. “Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts.” In SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals, 536–40, 2021.","mla":"Moritzer, Elmar, and Felix Flachmann. “Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts.” SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals, 2021, pp. 536–40.","bibtex":"@inproceedings{Moritzer_Flachmann_2021, title={Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts}, booktitle={SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals}, author={Moritzer, Elmar and Flachmann, Felix}, year={2021}, pages={536–540} }","short":"E. Moritzer, F. Flachmann, in: SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals, 2021, pp. 536–540.","ieee":"E. Moritzer and F. Flachmann, “Influence of Chemical Blowing Agents on the Filling Behavior of Wood-Plastic-Composite Melts,” in SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals, Online, 2021, pp. 536–540."},"year":"2021","type":"conference","page":"536-540","date_updated":"2023-04-26T13:39:14Z","_id":"23746","conference":{"name":"SPE ANTEC 2021: The Annual Technical Conference for Plastic Professionals ","start_date":"2021-05-10","location":"Online","end_date":"2021-05-14"}}]