[{"page":"3850-3859","citation":{"apa":"Dues, C., Schmidt, W. G., &#38; Sanna, S. (2019). Water Splitting Reaction at Polar Lithium Niobate Surfaces. <i>ACS Omega</i>, 3850–3859. <a href=\"https://doi.org/10.1021/acsomega.8b03271\">https://doi.org/10.1021/acsomega.8b03271</a>","bibtex":"@article{Dues_Schmidt_Sanna_2019, title={Water Splitting Reaction at Polar Lithium Niobate Surfaces}, DOI={<a href=\"https://doi.org/10.1021/acsomega.8b03271\">10.1021/acsomega.8b03271</a>}, journal={ACS Omega}, author={Dues, Christof and Schmidt, Wolf Gero and Sanna, Simone}, year={2019}, pages={3850–3859} }","short":"C. Dues, W.G. Schmidt, S. Sanna, ACS Omega (2019) 3850–3859.","mla":"Dues, Christof, et al. “Water Splitting Reaction at Polar Lithium Niobate Surfaces.” <i>ACS Omega</i>, 2019, pp. 3850–59, doi:<a href=\"https://doi.org/10.1021/acsomega.8b03271\">10.1021/acsomega.8b03271</a>.","chicago":"Dues, Christof, Wolf Gero Schmidt, and Simone Sanna. “Water Splitting Reaction at Polar Lithium Niobate Surfaces.” <i>ACS Omega</i>, 2019, 3850–59. <a href=\"https://doi.org/10.1021/acsomega.8b03271\">https://doi.org/10.1021/acsomega.8b03271</a>.","ieee":"C. Dues, W. G. Schmidt, and S. Sanna, “Water Splitting Reaction at Polar Lithium Niobate Surfaces,” <i>ACS Omega</i>, pp. 3850–3859, 2019, doi: <a href=\"https://doi.org/10.1021/acsomega.8b03271\">10.1021/acsomega.8b03271</a>.","ama":"Dues C, Schmidt WG, Sanna S. Water Splitting Reaction at Polar Lithium Niobate Surfaces. <i>ACS Omega</i>. Published online 2019:3850-3859. doi:<a href=\"https://doi.org/10.1021/acsomega.8b03271\">10.1021/acsomega.8b03271</a>"},"year":"2019","publication_identifier":{"issn":["2470-1343","2470-1343"]},"publication_status":"published","doi":"10.1021/acsomega.8b03271","title":"Water Splitting Reaction at Polar Lithium Niobate Surfaces","date_created":"2019-05-29T07:15:06Z","author":[{"first_name":"Christof","last_name":"Dues","full_name":"Dues, Christof"},{"id":"468","full_name":"Schmidt, Wolf Gero","last_name":"Schmidt","orcid":"0000-0002-2717-5076","first_name":"Wolf Gero"},{"last_name":"Sanna","full_name":"Sanna, Simone","first_name":"Simone"}],"date_updated":"2023-04-20T14:21:28Z","status":"public","publication":"ACS Omega","type":"journal_article","language":[{"iso":"eng"}],"funded_apc":"1","department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"35"}],"user_id":"16199","_id":"10015","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"}]},{"date_updated":"2023-04-21T11:25:39Z","publisher":"American Association for the Advancement of Science (AAAS)","volume":5,"author":[{"orcid":"0000-0003-1008-4976","last_name":"Luo","full_name":"Luo, Kai-Hong","id":"36389","first_name":"Kai-Hong"},{"last_name":"Brauner","full_name":"Brauner, Sebastian","id":"38161","first_name":"Sebastian"},{"full_name":"Eigner, Christof","id":"13244","last_name":"Eigner","orcid":"https://orcid.org/0000-0002-5693-3083","first_name":"Christof"},{"first_name":"Polina","last_name":"Sharapova","id":"60286","full_name":"Sharapova, Polina"},{"first_name":"Raimund","last_name":"Ricken","full_name":"Ricken, Raimund"},{"id":"344","full_name":"Meier, Torsten","orcid":"0000-0001-8864-2072","last_name":"Meier","first_name":"Torsten"},{"last_name":"Herrmann","full_name":"Herrmann, Harald","id":"216","first_name":"Harald"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"}],"date_created":"2023-01-18T10:35:19Z","title":"Nonlinear integrated quantum electro-optic circuits","doi":"10.1126/sciadv.aat1451","publication_identifier":{"issn":["2375-2548"]},"publication_status":"published","issue":"1","year":"2019","intvolume":"         5","citation":{"short":"K.-H. Luo, S. Brauner, C. Eigner, P. Sharapova, R. Ricken, T. Meier, H. Herrmann, C. Silberhorn, Science Advances 5 (2019).","mla":"Luo, Kai-Hong, et al. “Nonlinear Integrated Quantum Electro-Optic Circuits.” <i>Science Advances</i>, vol. 5, no. 1, American Association for the Advancement of Science (AAAS), 2019, doi:<a href=\"https://doi.org/10.1126/sciadv.aat1451\">10.1126/sciadv.aat1451</a>.","bibtex":"@article{Luo_Brauner_Eigner_Sharapova_Ricken_Meier_Herrmann_Silberhorn_2019, title={Nonlinear integrated quantum electro-optic circuits}, volume={5}, DOI={<a href=\"https://doi.org/10.1126/sciadv.aat1451\">10.1126/sciadv.aat1451</a>}, number={1}, journal={Science Advances}, publisher={American Association for the Advancement of Science (AAAS)}, author={Luo, Kai-Hong and Brauner, Sebastian and Eigner, Christof and Sharapova, Polina and Ricken, Raimund and Meier, Torsten and Herrmann, Harald and Silberhorn, Christine}, year={2019} }","apa":"Luo, K.-H., Brauner, S., Eigner, C., Sharapova, P., Ricken, R., Meier, T., Herrmann, H., &#38; Silberhorn, C. (2019). Nonlinear integrated quantum electro-optic circuits. <i>Science Advances</i>, <i>5</i>(1). <a href=\"https://doi.org/10.1126/sciadv.aat1451\">https://doi.org/10.1126/sciadv.aat1451</a>","ama":"Luo K-H, Brauner S, Eigner C, et al. Nonlinear integrated quantum electro-optic circuits. <i>Science Advances</i>. 2019;5(1). doi:<a href=\"https://doi.org/10.1126/sciadv.aat1451\">10.1126/sciadv.aat1451</a>","chicago":"Luo, Kai-Hong, Sebastian Brauner, Christof Eigner, Polina Sharapova, Raimund Ricken, Torsten Meier, Harald Herrmann, and Christine Silberhorn. “Nonlinear Integrated Quantum Electro-Optic Circuits.” <i>Science Advances</i> 5, no. 1 (2019). <a href=\"https://doi.org/10.1126/sciadv.aat1451\">https://doi.org/10.1126/sciadv.aat1451</a>.","ieee":"K.-H. Luo <i>et al.</i>, “Nonlinear integrated quantum electro-optic circuits,” <i>Science Advances</i>, vol. 5, no. 1, 2019, doi: <a href=\"https://doi.org/10.1126/sciadv.aat1451\">10.1126/sciadv.aat1451</a>."},"_id":"37288","project":[{"name":"TRR 142: TRR 142","_id":"53"},{"name":"TRR 142 - C: TRR 142 - Project Area C","_id":"56"},{"_id":"72","name":"TRR 142 - C2: TRR 142 - Subproject C2"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"623"},{"_id":"429"},{"_id":"35"}],"user_id":"16199","keyword":["Multidisciplinary"],"language":[{"iso":"eng"}],"publication":"Science Advances","type":"journal_article","abstract":[{"text":"<jats:p>An integrated chip with quantum state generation, active polarization manipulation, and precise time control is demonstrated.</jats:p>","lang":"eng"}],"status":"public"},{"publication_identifier":{"isbn":["9781510624740","9781510624757"]},"publication_status":"published","intvolume":"     10916","citation":{"ama":"Hannes W-R, Krauß-Kodytek L, Ruppert C, Betz M, Meier T. Intensity-dependent degenerate and non-degenerate nonlinear optical absorption of direct-gap semiconductors. In: Betz M, Elezzabi AY, eds. <i>Ultrafast Phenomena and Nanophotonics XXIII</i>. Vol 10916. SPIE Proceedings. ; 2019. doi:<a href=\"https://doi.org/10.1117/12.2503539\">10.1117/12.2503539</a>","ieee":"W.-R. Hannes, L. Krauß-Kodytek, C. Ruppert, M. Betz, and T. Meier, “Intensity-dependent degenerate and non-degenerate nonlinear optical absorption of direct-gap semiconductors,” in <i>Ultrafast Phenomena and Nanophotonics XXIII</i>, 2019, vol. 10916, doi: <a href=\"https://doi.org/10.1117/12.2503539\">10.1117/12.2503539</a>.","chicago":"Hannes, Wolf-Rüdiger, Laura Krauß-Kodytek, Claudia Ruppert, Markus Betz, and Torsten Meier. “Intensity-Dependent Degenerate and Non-Degenerate Nonlinear Optical Absorption of Direct-Gap Semiconductors.” In <i>Ultrafast Phenomena and Nanophotonics XXIII</i>, edited by Markus Betz and Abdulhakem Y. Elezzabi, Vol. 10916. SPIE Proceedings, 2019. <a href=\"https://doi.org/10.1117/12.2503539\">https://doi.org/10.1117/12.2503539</a>.","bibtex":"@inproceedings{Hannes_Krauß-Kodytek_Ruppert_Betz_Meier_2019, series={SPIE Proceedings}, title={Intensity-dependent degenerate and non-degenerate nonlinear optical absorption of direct-gap semiconductors}, volume={10916}, DOI={<a href=\"https://doi.org/10.1117/12.2503539\">10.1117/12.2503539</a>}, number={109160O}, booktitle={Ultrafast Phenomena and Nanophotonics XXIII}, author={Hannes, Wolf-Rüdiger and Krauß-Kodytek, Laura and Ruppert, Claudia and Betz, Markus and Meier, Torsten}, editor={Betz, Markus and Elezzabi, Abdulhakem Y.}, year={2019}, collection={SPIE Proceedings} }","mla":"Hannes, Wolf-Rüdiger, et al. “Intensity-Dependent Degenerate and Non-Degenerate Nonlinear Optical Absorption of Direct-Gap Semiconductors.” <i>Ultrafast Phenomena and Nanophotonics XXIII</i>, edited by Markus Betz and Abdulhakem Y. Elezzabi, vol. 10916, 109160O, 2019, doi:<a href=\"https://doi.org/10.1117/12.2503539\">10.1117/12.2503539</a>.","short":"W.-R. Hannes, L. Krauß-Kodytek, C. Ruppert, M. Betz, T. Meier, in: M. Betz, A.Y. Elezzabi (Eds.), Ultrafast Phenomena and Nanophotonics XXIII, 2019.","apa":"Hannes, W.-R., Krauß-Kodytek, L., Ruppert, C., Betz, M., &#38; Meier, T. (2019). Intensity-dependent degenerate and non-degenerate nonlinear optical absorption of direct-gap semiconductors. In M. Betz &#38; A. Y. Elezzabi (Eds.), <i>Ultrafast Phenomena and Nanophotonics XXIII</i> (No. 109160O; Vol. 10916). <a href=\"https://doi.org/10.1117/12.2503539\">https://doi.org/10.1117/12.2503539</a>"},"year":"2019","volume":10916,"author":[{"first_name":"Wolf-Rüdiger","full_name":"Hannes, Wolf-Rüdiger","last_name":"Hannes"},{"first_name":"Laura","full_name":"Krauß-Kodytek, Laura","last_name":"Krauß-Kodytek"},{"full_name":"Ruppert, Claudia","last_name":"Ruppert","first_name":"Claudia"},{"first_name":"Markus","full_name":"Betz, Markus","last_name":"Betz"},{"id":"344","full_name":"Meier, Torsten","orcid":"0000-0001-8864-2072","last_name":"Meier","first_name":"Torsten"}],"date_created":"2019-09-18T14:22:29Z","date_updated":"2023-04-21T11:26:51Z","doi":"10.1117/12.2503539","title":"Intensity-dependent degenerate and non-degenerate nonlinear optical absorption of direct-gap semiconductors","publication":"Ultrafast Phenomena and Nanophotonics XXIII","type":"conference","status":"public","editor":[{"full_name":"Betz, Markus","last_name":"Betz","first_name":"Markus"},{"full_name":"Elezzabi, Abdulhakem Y.","last_name":"Elezzabi","first_name":"Abdulhakem Y."}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"35"},{"_id":"230"}],"series_title":"SPIE Proceedings","user_id":"16199","_id":"13285","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"TRR 142","_id":"53"},{"name":"TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - Subproject A7","_id":"64"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"language":[{"iso":"eng"}],"article_number":"109160O"},{"language":[{"iso":"eng"}],"article_number":"125301","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"429"},{"_id":"35"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"name":"TRR 142 - Subproject A7","_id":"64"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"}],"_id":"13284","status":"public","type":"journal_article","publication":"Physical Review B","doi":"10.1103/physrevb.99.125301","title":"Higher-order contributions and nonperturbative effects in the nondegenerate nonlinear optical absorption of semiconductors using a two-band model","date_created":"2019-09-18T14:18:05Z","author":[{"first_name":"Wolf-Rüdiger","last_name":"Hannes","orcid":"https://orcid.org/0000-0003-1210-4838","id":"66789","full_name":"Hannes, Wolf-Rüdiger"},{"first_name":"Torsten","full_name":"Meier, Torsten","id":"344","orcid":"0000-0001-8864-2072","last_name":"Meier"}],"volume":99,"date_updated":"2023-04-21T11:26:19Z","citation":{"ama":"Hannes W-R, Meier T. Higher-order contributions and nonperturbative effects in the nondegenerate nonlinear optical absorption of semiconductors using a two-band model. <i>Physical Review B</i>. 2019;99(12). doi:<a href=\"https://doi.org/10.1103/physrevb.99.125301\">10.1103/physrevb.99.125301</a>","ieee":"W.-R. Hannes and T. Meier, “Higher-order contributions and nonperturbative effects in the nondegenerate nonlinear optical absorption of semiconductors using a two-band model,” <i>Physical Review B</i>, vol. 99, no. 12, Art. no. 125301, 2019, doi: <a href=\"https://doi.org/10.1103/physrevb.99.125301\">10.1103/physrevb.99.125301</a>.","chicago":"Hannes, Wolf-Rüdiger, and Torsten Meier. “Higher-Order Contributions and Nonperturbative Effects in the Nondegenerate Nonlinear Optical Absorption of Semiconductors Using a Two-Band Model.” <i>Physical Review B</i> 99, no. 12 (2019). <a href=\"https://doi.org/10.1103/physrevb.99.125301\">https://doi.org/10.1103/physrevb.99.125301</a>.","apa":"Hannes, W.-R., &#38; Meier, T. (2019). Higher-order contributions and nonperturbative effects in the nondegenerate nonlinear optical absorption of semiconductors using a two-band model. <i>Physical Review B</i>, <i>99</i>(12), Article 125301. <a href=\"https://doi.org/10.1103/physrevb.99.125301\">https://doi.org/10.1103/physrevb.99.125301</a>","short":"W.-R. Hannes, T. Meier, Physical Review B 99 (2019).","mla":"Hannes, Wolf-Rüdiger, and Torsten Meier. “Higher-Order Contributions and Nonperturbative Effects in the Nondegenerate Nonlinear Optical Absorption of Semiconductors Using a Two-Band Model.” <i>Physical Review B</i>, vol. 99, no. 12, 125301, 2019, doi:<a href=\"https://doi.org/10.1103/physrevb.99.125301\">10.1103/physrevb.99.125301</a>.","bibtex":"@article{Hannes_Meier_2019, title={Higher-order contributions and nonperturbative effects in the nondegenerate nonlinear optical absorption of semiconductors using a two-band model}, volume={99}, DOI={<a href=\"https://doi.org/10.1103/physrevb.99.125301\">10.1103/physrevb.99.125301</a>}, number={12125301}, journal={Physical Review B}, author={Hannes, Wolf-Rüdiger and Meier, Torsten}, year={2019} }"},"intvolume":"        99","year":"2019","issue":"12","publication_status":"published","publication_identifier":{"issn":["2469-9950","2469-9969"]}},{"article_type":"original","isi":"1","file_date_updated":"2020-08-30T14:29:27Z","project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"53","name":"TRR 142"},{"_id":"55","name":"TRR 142 - Project Area B"},{"name":"TRR 142 - Subproject B4","_id":"69"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"13365","user_id":"171","department":[{"_id":"296"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"170"},{"_id":"35"}],"status":"public","type":"journal_article","doi":"10.1088/2515-7639/ab29ba","oa":"1","date_updated":"2023-04-21T11:36:12Z","author":[{"first_name":"Sergej","id":"23261","full_name":"Neufeld, Sergej","last_name":"Neufeld"},{"last_name":"Bocchini","orcid":"https://orcid.org/0000-0002-2134-3075","full_name":"Bocchini, Adriana","id":"58349","first_name":"Adriana"},{"last_name":"Gerstmann","orcid":"0000-0002-4476-223X","id":"171","full_name":"Gerstmann, Uwe","first_name":"Uwe"},{"first_name":"Arno","id":"458","full_name":"Schindlmayr, Arno","last_name":"Schindlmayr","orcid":"0000-0002-4855-071X"},{"first_name":"Wolf Gero","orcid":"0000-0002-2717-5076","last_name":"Schmidt","full_name":"Schmidt, Wolf Gero","id":"468"}],"volume":2,"citation":{"ama":"Neufeld S, Bocchini A, Gerstmann U, Schindlmayr A, Schmidt WG. Potassium titanyl phosphate (KTP) quasiparticle energies and optical response. <i>Journal of Physics: Materials</i>. 2019;2:045003. doi:<a href=\"https://doi.org/10.1088/2515-7639/ab29ba\">10.1088/2515-7639/ab29ba</a>","ieee":"S. Neufeld, A. Bocchini, U. Gerstmann, A. Schindlmayr, and W. G. Schmidt, “Potassium titanyl phosphate (KTP) quasiparticle energies and optical response,” <i>Journal of Physics: Materials</i>, vol. 2, p. 045003, 2019, doi: <a href=\"https://doi.org/10.1088/2515-7639/ab29ba\">10.1088/2515-7639/ab29ba</a>.","chicago":"Neufeld, Sergej, Adriana Bocchini, Uwe Gerstmann, Arno Schindlmayr, and Wolf Gero Schmidt. “Potassium Titanyl Phosphate (KTP) Quasiparticle Energies and Optical Response.” <i>Journal of Physics: Materials</i> 2 (2019): 045003. <a href=\"https://doi.org/10.1088/2515-7639/ab29ba\">https://doi.org/10.1088/2515-7639/ab29ba</a>.","bibtex":"@article{Neufeld_Bocchini_Gerstmann_Schindlmayr_Schmidt_2019, title={Potassium titanyl phosphate (KTP) quasiparticle energies and optical response}, volume={2}, DOI={<a href=\"https://doi.org/10.1088/2515-7639/ab29ba\">10.1088/2515-7639/ab29ba</a>}, journal={Journal of Physics: Materials}, publisher={IOP Publishing}, author={Neufeld, Sergej and Bocchini, Adriana and Gerstmann, Uwe and Schindlmayr, Arno and Schmidt, Wolf Gero}, year={2019}, pages={045003} }","mla":"Neufeld, Sergej, et al. “Potassium Titanyl Phosphate (KTP) Quasiparticle Energies and Optical Response.” <i>Journal of Physics: Materials</i>, vol. 2, IOP Publishing, 2019, p. 045003, doi:<a href=\"https://doi.org/10.1088/2515-7639/ab29ba\">10.1088/2515-7639/ab29ba</a>.","short":"S. Neufeld, A. Bocchini, U. Gerstmann, A. Schindlmayr, W.G. Schmidt, Journal of Physics: Materials 2 (2019) 045003.","apa":"Neufeld, S., Bocchini, A., Gerstmann, U., Schindlmayr, A., &#38; Schmidt, W. G. (2019). Potassium titanyl phosphate (KTP) quasiparticle energies and optical response. <i>Journal of Physics: Materials</i>, <i>2</i>, 045003. <a href=\"https://doi.org/10.1088/2515-7639/ab29ba\">https://doi.org/10.1088/2515-7639/ab29ba</a>"},"page":"045003","intvolume":"         2","publication_status":"published","publication_identifier":{"eissn":["2515-7639"]},"has_accepted_license":"1","ddc":["530"],"language":[{"iso":"eng"}],"external_id":{"isi":["000560410300003"]},"abstract":[{"text":"The KTiOPO4 (KTP) band structure and dielectric function are calculated on various levels of theory starting from density-functional calculations. Within the independent-particle approximation an electronic transport gap of 2.97 eV is obtained that widens to about 5.23 eV when quasiparticle effects are included using the GW approximation. The optical response is shown to be strongly anisotropic due to (i) the slight asymmetry of the TiO6 octahedra in the (001) plane and (ii) their anisotropic distribution along the [001] and [100] directions. In addition, excitonic effects are very important: The solution of the Bethe–Salpeter equation indicates exciton binding energies of the order of 1.5 eV. Calculations that include both quasiparticle and excitonic effects are in good agreement with the measured reflectivity.","lang":"eng"}],"file":[{"relation":"main_file","content_type":"application/pdf","title":"Potassium titanyl phosphate (KTP) quasiparticle energies and optical response","file_size":1481174,"description":"Creative Commons Attribution 3.0 Unported Public License (CC BY 3.0)","file_id":"18535","access_level":"open_access","file_name":"Neufeld_2019_J._Phys._Mater._2_045003.pdf","date_updated":"2020-08-30T14:29:27Z","creator":"schindlm","date_created":"2020-08-28T09:07:18Z"}],"publication":"Journal of Physics: Materials","title":"Potassium titanyl phosphate (KTP) quasiparticle energies and optical response","publisher":"IOP Publishing","date_created":"2019-09-19T14:34:16Z","year":"2019","quality_controlled":"1"},{"language":[{"iso":"eng"}],"project":[{"_id":"53","name":"TRR 142"},{"name":"TRR 142 - Project Area A","_id":"54"},{"_id":"64","name":"TRR 142 - Subproject A7"},{"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"}],"_id":"13900","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"35"},{"_id":"429"}],"status":"public","type":"journal_article","publication":"Optics Express","title":"Attosecond temporal confinement of interband excitation by intraband motion","doi":"10.1364/oe.27.002225","date_updated":"2023-04-21T11:27:40Z","date_created":"2019-10-18T07:35:35Z","author":[{"full_name":"Song, Xiaohong","last_name":"Song","first_name":"Xiaohong"},{"last_name":"Zuo","full_name":"Zuo, Ruixin","first_name":"Ruixin"},{"first_name":"Shidong","full_name":"Yang, Shidong","last_name":"Yang"},{"last_name":"Li","full_name":"Li, Pengcheng","first_name":"Pengcheng"},{"full_name":"Meier, Torsten","id":"344","orcid":"0000-0001-8864-2072","last_name":"Meier","first_name":"Torsten"},{"full_name":"Yang, Weifeng","last_name":"Yang","first_name":"Weifeng"}],"volume":27,"year":"2019","citation":{"ama":"Song X, Zuo R, Yang S, Li P, Meier T, Yang W. Attosecond temporal confinement of interband excitation by intraband motion. <i>Optics Express</i>. 2019;27(3):2225-2234. doi:<a href=\"https://doi.org/10.1364/oe.27.002225\">10.1364/oe.27.002225</a>","ieee":"X. Song, R. Zuo, S. Yang, P. Li, T. Meier, and W. Yang, “Attosecond temporal confinement of interband excitation by intraband motion,” <i>Optics Express</i>, vol. 27, no. 3, pp. 2225–2234, 2019, doi: <a href=\"https://doi.org/10.1364/oe.27.002225\">10.1364/oe.27.002225</a>.","chicago":"Song, Xiaohong, Ruixin Zuo, Shidong Yang, Pengcheng Li, Torsten Meier, and Weifeng Yang. “Attosecond Temporal Confinement of Interband Excitation by Intraband Motion.” <i>Optics Express</i> 27, no. 3 (2019): 2225–34. <a href=\"https://doi.org/10.1364/oe.27.002225\">https://doi.org/10.1364/oe.27.002225</a>.","mla":"Song, Xiaohong, et al. “Attosecond Temporal Confinement of Interband Excitation by Intraband Motion.” <i>Optics Express</i>, vol. 27, no. 3, 2019, pp. 2225–34, doi:<a href=\"https://doi.org/10.1364/oe.27.002225\">10.1364/oe.27.002225</a>.","bibtex":"@article{Song_Zuo_Yang_Li_Meier_Yang_2019, title={Attosecond temporal confinement of interband excitation by intraband motion}, volume={27}, DOI={<a href=\"https://doi.org/10.1364/oe.27.002225\">10.1364/oe.27.002225</a>}, number={3}, journal={Optics Express}, author={Song, Xiaohong and Zuo, Ruixin and Yang, Shidong and Li, Pengcheng and Meier, Torsten and Yang, Weifeng}, year={2019}, pages={2225–2234} }","short":"X. Song, R. Zuo, S. Yang, P. Li, T. Meier, W. Yang, Optics Express 27 (2019) 2225–2234.","apa":"Song, X., Zuo, R., Yang, S., Li, P., Meier, T., &#38; Yang, W. (2019). Attosecond temporal confinement of interband excitation by intraband motion. <i>Optics Express</i>, <i>27</i>(3), 2225–2234. <a href=\"https://doi.org/10.1364/oe.27.002225\">https://doi.org/10.1364/oe.27.002225</a>"},"page":"2225-2234","intvolume":"        27","publication_status":"published","publication_identifier":{"issn":["1094-4087"]},"issue":"3"},{"year":"2019","intvolume":"       100","citation":{"apa":"Duc, H. T., Ngo, C., &#38; Meier, T. (2019). Ballistic photocurrents in semiconductor quantum wells caused by the excitation of asymmetric excitons. <i>Physical Review B</i>, <i>100</i>(4), Article 045308. <a href=\"https://doi.org/10.1103/physrevb.100.045308\">https://doi.org/10.1103/physrevb.100.045308</a>","bibtex":"@article{Duc_Ngo_Meier_2019, title={Ballistic photocurrents in semiconductor quantum wells caused by the excitation of asymmetric excitons}, volume={100}, DOI={<a href=\"https://doi.org/10.1103/physrevb.100.045308\">10.1103/physrevb.100.045308</a>}, number={4045308}, journal={Physical Review B}, author={Duc, Huynh Thanh and Ngo, Cong and Meier, Torsten}, year={2019} }","mla":"Duc, Huynh Thanh, et al. “Ballistic Photocurrents in Semiconductor Quantum Wells Caused by the Excitation of Asymmetric Excitons.” <i>Physical Review B</i>, vol. 100, no. 4, 045308, 2019, doi:<a href=\"https://doi.org/10.1103/physrevb.100.045308\">10.1103/physrevb.100.045308</a>.","short":"H.T. Duc, C. Ngo, T. Meier, Physical Review B 100 (2019).","ama":"Duc HT, Ngo C, Meier T. Ballistic photocurrents in semiconductor quantum wells caused by the excitation of asymmetric excitons. <i>Physical Review B</i>. 2019;100(4). doi:<a href=\"https://doi.org/10.1103/physrevb.100.045308\">10.1103/physrevb.100.045308</a>","chicago":"Duc, Huynh Thanh, Cong Ngo, and Torsten Meier. “Ballistic Photocurrents in Semiconductor Quantum Wells Caused by the Excitation of Asymmetric Excitons.” <i>Physical Review B</i> 100, no. 4 (2019). <a href=\"https://doi.org/10.1103/physrevb.100.045308\">https://doi.org/10.1103/physrevb.100.045308</a>.","ieee":"H. T. Duc, C. Ngo, and T. Meier, “Ballistic photocurrents in semiconductor quantum wells caused by the excitation of asymmetric excitons,” <i>Physical Review B</i>, vol. 100, no. 4, Art. no. 045308, 2019, doi: <a href=\"https://doi.org/10.1103/physrevb.100.045308\">10.1103/physrevb.100.045308</a>."},"publication_identifier":{"issn":["2469-9950","2469-9969"]},"publication_status":"published","issue":"4","title":"Ballistic photocurrents in semiconductor quantum wells caused by the excitation of asymmetric excitons","doi":"10.1103/physrevb.100.045308","date_updated":"2023-04-21T11:27:14Z","volume":100,"date_created":"2019-09-18T14:13:07Z","author":[{"last_name":"Duc","full_name":"Duc, Huynh Thanh","first_name":"Huynh Thanh"},{"last_name":"Ngo","full_name":"Ngo, Cong","first_name":"Cong"},{"full_name":"Meier, Torsten","id":"344","last_name":"Meier","orcid":"0000-0001-8864-2072","first_name":"Torsten"}],"status":"public","publication":"Physical Review B","type":"journal_article","article_number":"045308","language":[{"iso":"eng"}],"_id":"13283","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"35"}],"user_id":"16199"},{"status":"public","publication":"Journal of Physics: Condensed Matter","type":"journal_article","language":[{"iso":"eng"}],"_id":"13429","project":[{"_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"},{"name":"TRR 142: TRR 142","_id":"53"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"_id":"69","name":"TRR 142 - B4: TRR 142 - Subproject B4"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"35"}],"user_id":"171","year":"2019","page":"385401","intvolume":"        31","citation":{"ama":"Bocchini A, Neufeld S, Gerstmann U, Schmidt WG. Oxygen and potassium vacancies in KTP calculated from first principles. <i>Journal of Physics: Condensed Matter</i>. 2019;31:385401. doi:<a href=\"https://doi.org/10.1088/1361-648x/ab295c\">10.1088/1361-648x/ab295c</a>","ieee":"A. Bocchini, S. Neufeld, U. Gerstmann, and W. G. Schmidt, “Oxygen and potassium vacancies in KTP calculated from first principles,” <i>Journal of Physics: Condensed Matter</i>, vol. 31, p. 385401, 2019, doi: <a href=\"https://doi.org/10.1088/1361-648x/ab295c\">10.1088/1361-648x/ab295c</a>.","chicago":"Bocchini, Adriana, Sergej Neufeld, Uwe Gerstmann, and Wolf Gero Schmidt. “Oxygen and Potassium Vacancies in KTP Calculated from First Principles.” <i>Journal of Physics: Condensed Matter</i> 31 (2019): 385401. <a href=\"https://doi.org/10.1088/1361-648x/ab295c\">https://doi.org/10.1088/1361-648x/ab295c</a>.","apa":"Bocchini, A., Neufeld, S., Gerstmann, U., &#38; Schmidt, W. G. (2019). Oxygen and potassium vacancies in KTP calculated from first principles. <i>Journal of Physics: Condensed Matter</i>, <i>31</i>, 385401. <a href=\"https://doi.org/10.1088/1361-648x/ab295c\">https://doi.org/10.1088/1361-648x/ab295c</a>","short":"A. Bocchini, S. Neufeld, U. Gerstmann, W.G. Schmidt, Journal of Physics: Condensed Matter 31 (2019) 385401.","mla":"Bocchini, Adriana, et al. “Oxygen and Potassium Vacancies in KTP Calculated from First Principles.” <i>Journal of Physics: Condensed Matter</i>, vol. 31, 2019, p. 385401, doi:<a href=\"https://doi.org/10.1088/1361-648x/ab295c\">10.1088/1361-648x/ab295c</a>.","bibtex":"@article{Bocchini_Neufeld_Gerstmann_Schmidt_2019, title={Oxygen and potassium vacancies in KTP calculated from first principles}, volume={31}, DOI={<a href=\"https://doi.org/10.1088/1361-648x/ab295c\">10.1088/1361-648x/ab295c</a>}, journal={Journal of Physics: Condensed Matter}, author={Bocchini, Adriana and Neufeld, Sergej and Gerstmann, Uwe and Schmidt, Wolf Gero}, year={2019}, pages={385401} }"},"publication_identifier":{"issn":["0953-8984","1361-648X"]},"publication_status":"published","title":"Oxygen and potassium vacancies in KTP calculated from first principles","doi":"10.1088/1361-648x/ab295c","main_file_link":[{"open_access":"1"}],"date_updated":"2023-04-21T11:37:48Z","oa":"1","volume":31,"author":[{"first_name":"Adriana","last_name":"Bocchini","orcid":"https://orcid.org/0000-0002-2134-3075","id":"58349","full_name":"Bocchini, Adriana"},{"id":"23261","full_name":"Neufeld, Sergej","last_name":"Neufeld","first_name":"Sergej"},{"orcid":"0000-0002-4476-223X","last_name":"Gerstmann","id":"171","full_name":"Gerstmann, Uwe","first_name":"Uwe"},{"first_name":"Wolf Gero","id":"468","full_name":"Schmidt, Wolf Gero","last_name":"Schmidt","orcid":"0000-0002-2717-5076"}],"date_created":"2019-09-20T12:22:27Z"},{"language":[{"iso":"eng"}],"external_id":{"arxiv":["1703.02456"]},"abstract":[{"text":"We address the general mathematical problem of computing the inverse p-th\r\nroot of a given matrix in an efficient way. A new method to construct iteration\r\nfunctions that allow calculating arbitrary p-th roots and their inverses of\r\nsymmetric positive definite matrices is presented. We show that the order of\r\nconvergence is at least quadratic and that adaptively adjusting a parameter q\r\nalways leads to an even faster convergence. In this way, a better performance\r\nthan with previously known iteration schemes is achieved. The efficiency of the\r\niterative functions is demonstrated for various matrices with different\r\ndensities, condition numbers and spectral radii.","lang":"eng"}],"publication":"Communications in Computational Physics","title":"A General Algorithm to Calculate the Inverse Principal p-th Root of Symmetric Positive Definite Matrices","publisher":"Global Science Press","date_created":"2017-07-25T14:48:26Z","year":"2019","quality_controlled":"1","issue":"2","_id":"21","project":[{"name":"Performance and Efficiency in HPC with Custom Computing","_id":"32","grant_number":"PL 595/2-1 / 320898746"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"department":[{"_id":"27"},{"_id":"518"},{"_id":"304"},{"_id":"104"}],"user_id":"15278","status":"public","type":"journal_article","doi":"10.4208/cicp.OA-2018-0053","date_updated":"2023-09-26T11:45:02Z","volume":25,"author":[{"first_name":"Dorothee","last_name":"Richters","full_name":"Richters, Dorothee"},{"orcid":"0000-0002-5708-7632","last_name":"Lass","full_name":"Lass, Michael","id":"24135","first_name":"Michael"},{"first_name":"Andrea","full_name":"Walther, Andrea","last_name":"Walther"},{"last_name":"Plessl","orcid":"0000-0001-5728-9982","full_name":"Plessl, Christian","id":"16153","first_name":"Christian"},{"first_name":"Thomas","full_name":"Kühne, Thomas","id":"49079","last_name":"Kühne"}],"page":"564-585","intvolume":"        25","citation":{"apa":"Richters, D., Lass, M., Walther, A., Plessl, C., &#38; Kühne, T. (2019). A General Algorithm to Calculate the Inverse Principal p-th Root of Symmetric Positive Definite Matrices. <i>Communications in Computational Physics</i>, <i>25</i>(2), 564–585. <a href=\"https://doi.org/10.4208/cicp.OA-2018-0053\">https://doi.org/10.4208/cicp.OA-2018-0053</a>","short":"D. Richters, M. Lass, A. Walther, C. Plessl, T. Kühne, Communications in Computational Physics 25 (2019) 564–585.","mla":"Richters, Dorothee, et al. “A General Algorithm to Calculate the Inverse Principal P-Th Root of Symmetric Positive Definite Matrices.” <i>Communications in Computational Physics</i>, vol. 25, no. 2, Global Science Press, 2019, pp. 564–85, doi:<a href=\"https://doi.org/10.4208/cicp.OA-2018-0053\">10.4208/cicp.OA-2018-0053</a>.","bibtex":"@article{Richters_Lass_Walther_Plessl_Kühne_2019, title={A General Algorithm to Calculate the Inverse Principal p-th Root of Symmetric Positive Definite Matrices}, volume={25}, DOI={<a href=\"https://doi.org/10.4208/cicp.OA-2018-0053\">10.4208/cicp.OA-2018-0053</a>}, number={2}, journal={Communications in Computational Physics}, publisher={Global Science Press}, author={Richters, Dorothee and Lass, Michael and Walther, Andrea and Plessl, Christian and Kühne, Thomas}, year={2019}, pages={564–585} }","ama":"Richters D, Lass M, Walther A, Plessl C, Kühne T. 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Tröster, “TAILORED STACKED HYBRIDS – AN OPTIMIZATION-BASED APPROACH IN MATERIAL DESIGN FOR FURTHER IMPROVEMENT IN LIGHTWEIGHT CAR BODY STRUCTURES,” in <i>Technologies for economical and functional lightweight design</i>, Berlin, Heidelberg, 2019.","ama":"Camberg AA, Stratmann I, Tröster T. TAILORED STACKED HYBRIDS – AN OPTIMIZATION-BASED APPROACH IN MATERIAL DESIGN FOR FURTHER IMPROVEMENT IN LIGHTWEIGHT CAR BODY STRUCTURES. In: <i>Technologies for Economical and Functional Lightweight Design</i>. ; 2019. doi:<a href=\"https://doi.org/10.1007/978-3-662-58206-0_12\">10.1007/978-3-662-58206-0_12</a>"},"place":"Berlin, Heidelberg","year":"2019","date_created":"2019-09-22T17:33:23Z","author":[{"first_name":"Alan Adam","last_name":"Camberg","full_name":"Camberg, Alan Adam","id":"60544"},{"first_name":"Ina","full_name":"Stratmann, Ina","last_name":"Stratmann"},{"full_name":"Tröster, Thomas","id":"553","last_name":"Tröster","first_name":"Thomas"}],"date_updated":"2025-06-06T08:43:04Z","doi":"10.1007/978-3-662-58206-0_12","title":"TAILORED STACKED HYBRIDS – AN OPTIMIZATION-BASED APPROACH IN MATERIAL DESIGN FOR FURTHER IMPROVEMENT IN LIGHTWEIGHT CAR BODY STRUCTURES"},{"status":"public","type":"journal_article","publication":"Physical Review B","language":[{"iso":"eng"}],"user_id":"14972","department":[{"_id":"304"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"15739","citation":{"chicago":"Azadi, Sam, and Thomas D. 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Schumacher, “Controllable high-speed polariton waves in a PT-symmetric lattice,” <i>New Journal of Physics</i>, vol. 21, Art. no. 123008, 2019, doi: <a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>.","chicago":"Ma, Xuekai, Yaroslav Y Kartashov, Tingge Gao, and Stefan Schumacher. “Controllable High-Speed Polariton Waves in a PT-Symmetric Lattice.” <i>New Journal of Physics</i> 21 (2019). <a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">https://doi.org/10.1088/1367-2630/ab5a9b</a>.","mla":"Ma, Xuekai, et al. “Controllable High-Speed Polariton Waves in a PT-Symmetric Lattice.” <i>New Journal of Physics</i>, vol. 21, 123008, 2019, doi:<a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>.","bibtex":"@article{Ma_Kartashov_Gao_Schumacher_2019, title={Controllable high-speed polariton waves in a PT-symmetric lattice}, volume={21}, DOI={<a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>}, number={123008}, journal={New Journal of Physics}, author={Ma, Xuekai and Kartashov, Yaroslav Y and Gao, Tingge and Schumacher, Stefan}, year={2019} }","short":"X. Ma, Y.Y. Kartashov, T. Gao, S. Schumacher, New Journal of Physics 21 (2019).","apa":"Ma, X., Kartashov, Y. Y., Gao, T., &#38; Schumacher, S. (2019). Controllable high-speed polariton waves in a PT-symmetric lattice. <i>New Journal of Physics</i>, <i>21</i>, Article 123008. <a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">https://doi.org/10.1088/1367-2630/ab5a9b</a>"},"intvolume":"        21","year":"2019","author":[{"first_name":"Xuekai","full_name":"Ma, Xuekai","id":"59416","last_name":"Ma"},{"full_name":"Kartashov, Yaroslav Y","last_name":"Kartashov","first_name":"Yaroslav Y"},{"first_name":"Tingge","full_name":"Gao, Tingge","last_name":"Gao"},{"first_name":"Stefan","last_name":"Schumacher","orcid":"0000-0003-4042-4951","full_name":"Schumacher, Stefan","id":"27271"}],"date_created":"2020-02-10T11:35:57Z","volume":21,"date_updated":"2025-12-05T13:53:04Z","doi":"10.1088/1367-2630/ab5a9b","title":"Controllable high-speed polariton waves in a PT-symmetric lattice","type":"journal_article","publication":"New Journal of Physics","status":"public","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"705"},{"_id":"230"},{"_id":"35"},{"_id":"27"}],"project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"15851","language":[{"iso":"eng"}],"article_number":"123008"},{"year":"2019","citation":{"chicago":"Pukrop, Matthias, and Stefan Schumacher. “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid.” <i>ArXiv:1903.12534</i>, 2019.","ieee":"M. Pukrop and S. Schumacher, “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid,” <i>arXiv:1903.12534</i>. 2019.","ama":"Pukrop M, Schumacher S. Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid. <i>arXiv:190312534</i>. Published online 2019.","apa":"Pukrop, M., &#38; Schumacher, S. (2019). Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid. In <i>arXiv:1903.12534</i>.","short":"M. Pukrop, S. Schumacher, ArXiv:1903.12534 (2019).","mla":"Pukrop, Matthias, and Stefan Schumacher. “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid.” <i>ArXiv:1903.12534</i>, 2019.","bibtex":"@article{Pukrop_Schumacher_2019, title={Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid}, journal={arXiv:1903.12534}, author={Pukrop, Matthias and Schumacher, Stefan}, year={2019} }"},"title":"Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid","date_updated":"2025-12-05T14:30:36Z","author":[{"first_name":"Matthias","last_name":"Pukrop","full_name":"Pukrop, Matthias"},{"orcid":"0000-0003-4042-4951","last_name":"Schumacher","id":"27271","full_name":"Schumacher, Stefan","first_name":"Stefan"}],"date_created":"2019-09-19T13:18:47Z","abstract":[{"text":"Spontaneous formation of transverse patterns is ubiquitous in nonlinear\r\ndynamical systems of all kinds. An aspect of particular interest is the active\r\ncontrol of such patterns. In nonlinear optical systems this can be used for\r\nall-optical switching with transistor-like performance, for example realized\r\nwith polaritons in a planar quantum-well semiconductor microcavity. Here we\r\nfocus on a specific configuration which takes advantage of the intricate\r\npolarization dependencies in the interacting optically driven polariton system.\r\nBesides detailed numerical simulations of the coupled light-field exciton\r\ndynamics, in the present paper we focus on the derivation of a simplified\r\npopulation competition model giving detailed insight into the underlying\r\nmechanisms from a nonlinear dynamical systems perspective. We show that such a\r\nmodel takes the form of a generalized Lotka-Volterra system for two competing\r\npopulations explicitly including a source term that enables external control.\r\nWe present a comprehensive analysis both of the existence and stability of\r\nstationary states in the parameter space spanned by spatial anisotropy and\r\nexternal control strength. We also construct phase boundaries in non-trivial\r\nregions and characterize emerging bifurcations. The population competition\r\nmodel reproduces all key features of the switching observed in full numerical\r\nsimulations of the rather complex semiconductor system and at the same time is\r\nsimple enough for a fully analytical understanding of the system dynamics.","lang":"eng"}],"status":"public","type":"preprint","publication":"arXiv:1903.12534","language":[{"iso":"eng"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"13340","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"230"},{"_id":"35"},{"_id":"27"}]},{"status":"public","abstract":[{"lang":"eng","text":"<jats:p>&lt;div&gt;\r\n\t\t\t&lt;div&gt;\r\n\t\t\t\t&lt;div&gt;\r\n\t\t\t\t\t&lt;p&gt;Molecular doping in conjugated polymers is a crucial process for their application in organic\r\nphotovoltaics and optoelectronics. In the present work we theoretically investigate p-type molecu-\r\nlar doping in a series of (poly[2,6-(4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b”]dithiophene)-alt-\r\n4,7-(2,1,3-benzothiadiazole)] (PCPDT-BT) conjugated oligomers with different lengths and three\r\nwidely-used dopants with different electron affinities, namely F4TCNQ, F6TCNNQ, and CN6-CP.\r\nWe study in detail the molecular geometry of possible oligomer-dopant complexes and its influence\r\non the doping mechanisms and electronic system properties. We find that the mechanisms of dop-\r\ning and charge transfer observed sensitively depend on the specific geometry of the oligomer-dopant\r\ncomplexes. For a given complex different geometries may exist, some of which show transfer of\r\nan entire electron from the oligomer chain onto the dopant molecule resulting in an integer-charge\r\ntransfer complex, leaving the system in a ground state with broken spin symmetry. In other ge-\r\nometries merely hybridization of oligomer and dopant frontier orbitals occurs with partial charge\r\ntransfer but spin-symmetric ground state. Considering the resulting electronic density of states both\r\ncases may well contribute to an increased electrical conductivity of corresponding film samples while\r\nthe underlying physical mechanisms are entirely different.\r\n&lt;/p&gt;\r\n\t\t\t\t&lt;/div&gt;\r\n\t\t\t&lt;/div&gt;\r\n\t\t&lt;/div&gt;</jats:p>"}],"type":"preprint","language":[{"iso":"eng"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"230"},{"_id":"35"},{"_id":"27"}],"user_id":"16199","_id":"13347","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"citation":{"ieee":"C.-D. Dong and S. Schumacher, “Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer.” 2019.","chicago":"Dong, Chuan-Ding, and Stefan Schumacher. “Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer,” 2019.","ama":"Dong C-D, Schumacher S. Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer. Published online 2019.","apa":"Dong, C.-D., &#38; Schumacher, S. (2019). <i>Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer</i>.","bibtex":"@article{Dong_Schumacher_2019, title={Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer}, author={Dong, Chuan-Ding and Schumacher, Stefan}, year={2019} }","short":"C.-D. Dong, S. Schumacher, (2019).","mla":"Dong, Chuan-Ding, and Stefan Schumacher. <i>Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer</i>. 2019."},"year":"2019","publication_status":"published","title":"Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer","date_created":"2019-09-19T13:44:34Z","author":[{"last_name":"Dong","id":"67188","full_name":"Dong, Chuan-Ding","first_name":"Chuan-Ding"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","id":"27271","last_name":"Schumacher","orcid":"0000-0003-4042-4951"}],"date_updated":"2025-12-05T14:31:11Z"},{"type":"journal_article","publication":"The Journal of Physical Chemistry C","status":"public","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"313"},{"_id":"230"},{"_id":"35"},{"_id":"27"},{"_id":"2"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"13343","language":[{"iso":"eng"}],"issue":"7","publication_status":"published","publication_identifier":{"issn":["1932-7447","1932-7455"]},"citation":{"short":"J. Vollbrecht, C. Wiebeler, H. Bock, S. Schumacher, H.-S. Kitzerow, The Journal of Physical Chemistry C 123 (2019) 4483–4492.","bibtex":"@article{Vollbrecht_Wiebeler_Bock_Schumacher_Kitzerow_2019, title={Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis}, volume={123}, DOI={<a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>}, number={7}, journal={The Journal of Physical Chemistry C}, author={Vollbrecht, Joachim and Wiebeler, Christian and Bock, Harald and Schumacher, Stefan and Kitzerow, Heinz-Siegfried}, year={2019}, pages={4483–4492} }","mla":"Vollbrecht, Joachim, et al. “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis.” <i>The Journal of Physical Chemistry C</i>, vol. 123, no. 7, 2019, pp. 4483–92, doi:<a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>.","apa":"Vollbrecht, J., Wiebeler, C., Bock, H., Schumacher, S., &#38; Kitzerow, H.-S. (2019). Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis. <i>The Journal of Physical Chemistry C</i>, <i>123</i>(7), 4483–4492. <a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">https://doi.org/10.1021/acs.jpcc.8b10730</a>","chicago":"Vollbrecht, Joachim, Christian Wiebeler, Harald Bock, Stefan Schumacher, and Heinz-Siegfried Kitzerow. “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis.” <i>The Journal of Physical Chemistry C</i> 123, no. 7 (2019): 4483–92. <a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">https://doi.org/10.1021/acs.jpcc.8b10730</a>.","ieee":"J. Vollbrecht, C. Wiebeler, H. Bock, S. Schumacher, and H.-S. Kitzerow, “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis,” <i>The Journal of Physical Chemistry C</i>, vol. 123, no. 7, pp. 4483–4492, 2019, doi: <a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>.","ama":"Vollbrecht J, Wiebeler C, Bock H, Schumacher S, Kitzerow H-S. Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis. <i>The Journal of Physical Chemistry C</i>. 2019;123(7):4483-4492. doi:<a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>"},"page":"4483-4492","intvolume":"       123","year":"2019","author":[{"last_name":"Vollbrecht","full_name":"Vollbrecht, Joachim","first_name":"Joachim"},{"last_name":"Wiebeler","full_name":"Wiebeler, Christian","first_name":"Christian"},{"full_name":"Bock, Harald","last_name":"Bock","first_name":"Harald"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","id":"27271","orcid":"0000-0003-4042-4951","last_name":"Schumacher"},{"first_name":"Heinz-Siegfried","id":"254","full_name":"Kitzerow, Heinz-Siegfried","last_name":"Kitzerow"}],"date_created":"2019-09-19T13:36:01Z","volume":123,"date_updated":"2025-12-05T14:29:56Z","doi":"10.1021/acs.jpcc.8b10730","title":"Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis"},{"publication":"arXiv:1803.05796","type":"preprint","abstract":[{"lang":"eng","text":"Object ranking is an important problem in the realm of preference learning.\r\nOn the basis of training data in the form of a set of rankings of objects,\r\nwhich are typically represented as feature vectors, the goal is to learn a\r\nranking function that predicts a linear order of any new set of objects.\r\nCurrent approaches commonly focus on ranking by scoring, i.e., on learning an\r\nunderlying latent utility function that seeks to capture the inherent utility\r\nof each object. These approaches, however, are not able to take possible\r\neffects of context-dependence into account, where context-dependence means that\r\nthe utility or usefulness of an object may also depend on what other objects\r\nare available as alternatives. In this paper, we formalize the problem of\r\ncontext-dependent ranking and present two general approaches based on two\r\nnatural representations of context-dependent ranking functions. Both approaches\r\nare instantiated by means of appropriate neural network architectures, which\r\nare evaluated on suitable benchmark task."}],"status":"public","_id":"19524","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"department":[{"_id":"7"},{"_id":"355"}],"user_id":"13472","language":[{"iso":"eng"}],"year":"2018","citation":{"bibtex":"@article{Pfannschmidt_Gupta_Hüllermeier_2018, title={Deep Architectures for Learning Context-dependent Ranking Functions}, journal={arXiv:1803.05796}, author={Pfannschmidt, Karlson and Gupta, Pritha and Hüllermeier, Eyke}, year={2018} }","short":"K. Pfannschmidt, P. Gupta, E. Hüllermeier, ArXiv:1803.05796 (2018).","mla":"Pfannschmidt, Karlson, et al. “Deep Architectures for Learning Context-Dependent Ranking Functions.” <i>ArXiv:1803.05796</i>, 2018.","apa":"Pfannschmidt, K., Gupta, P., &#38; Hüllermeier, E. (2018). Deep Architectures for Learning Context-dependent Ranking Functions. <i>ArXiv:1803.05796</i>.","chicago":"Pfannschmidt, Karlson, Pritha Gupta, and Eyke Hüllermeier. “Deep Architectures for Learning Context-Dependent Ranking Functions.” <i>ArXiv:1803.05796</i>, 2018.","ieee":"K. Pfannschmidt, P. Gupta, and E. Hüllermeier, “Deep Architectures for Learning Context-dependent Ranking Functions,” <i>arXiv:1803.05796</i>. 2018.","ama":"Pfannschmidt K, Gupta P, Hüllermeier E. Deep Architectures for Learning Context-dependent Ranking Functions. <i>arXiv:180305796</i>. 2018."},"date_updated":"2022-01-06T06:54:06Z","date_created":"2020-09-17T10:53:39Z","author":[{"first_name":"Karlson","last_name":"Pfannschmidt","full_name":"Pfannschmidt, Karlson"},{"last_name":"Gupta","full_name":"Gupta, Pritha","first_name":"Pritha"},{"last_name":"Hüllermeier","full_name":"Hüllermeier, Eyke","first_name":"Eyke"}],"title":"Deep Architectures for Learning Context-dependent Ranking Functions"},{"publication_status":"published","citation":{"ama":"Camberg AA, Tröster T, Sotirov N, Tölle J, Bohner F. Investigation of ductility and damage characteristics of EN AW-5182 H18 at non-isothermal forming conditions. In: <i>Materials Science and Engineering (MSE) Congress 2018</i>. Darmstadt; 2018.","ieee":"A. A. Camberg, T. Tröster, N. Sotirov, J. Tölle, and F. Bohner, “Investigation of ductility and damage characteristics of EN AW-5182 H18 at non-isothermal forming conditions,” in <i>Materials Science and Engineering (MSE) Congress 2018</i>, Darmstadt, 2018.","chicago":"Camberg, Alan Adam, Thomas Tröster, Nikolay Sotirov, Jörn Tölle, and Friedrich Bohner. “Investigation of Ductility and Damage Characteristics of EN AW-5182 H18 at Non-Isothermal Forming Conditions.” In <i>Materials Science and Engineering (MSE) Congress 2018</i>. Darmstadt, 2018.","apa":"Camberg, A. A., Tröster, T., Sotirov, N., Tölle, J., &#38; Bohner, F. (2018). Investigation of ductility and damage characteristics of EN AW-5182 H18 at non-isothermal forming conditions. In <i>Materials Science and Engineering (MSE) Congress 2018</i>. Darmstadt.","mla":"Camberg, Alan Adam, et al. “Investigation of Ductility and Damage Characteristics of EN AW-5182 H18 at Non-Isothermal Forming Conditions.” <i>Materials Science and Engineering (MSE) Congress 2018</i>, 2018.","bibtex":"@inproceedings{Camberg_Tröster_Sotirov_Tölle_Bohner_2018, place={Darmstadt}, title={Investigation of ductility and damage characteristics of EN AW-5182 H18 at non-isothermal forming conditions}, booktitle={Materials Science and Engineering (MSE) Congress 2018}, author={Camberg, Alan Adam and Tröster, Thomas and Sotirov, Nikolay and Tölle, Jörn and Bohner, Friedrich}, year={2018} }","short":"A.A. Camberg, T. Tröster, N. Sotirov, J. Tölle, F. Bohner, in: Materials Science and Engineering (MSE) Congress 2018, Darmstadt, 2018."},"place":"Darmstadt","year":"2018","date_created":"2020-10-04T19:23:56Z","author":[{"first_name":"Alan Adam","id":"60544","full_name":"Camberg, Alan Adam","last_name":"Camberg"},{"first_name":"Thomas","last_name":"Tröster","full_name":"Tröster, Thomas","id":"553"},{"first_name":"Nikolay","last_name":"Sotirov","full_name":"Sotirov, Nikolay"},{"first_name":"Jörn","full_name":"Tölle, Jörn","last_name":"Tölle"},{"last_name":"Bohner","full_name":"Bohner, Friedrich","first_name":"Friedrich"}],"date_updated":"2022-01-06T06:54:14Z","conference":{"name":"Materials Science and Engineering (MSE) Congress 2018","start_date":"2018-09-25","end_date":"2018-09-27","location":"Darmstadt"},"title":"Investigation of ductility and damage characteristics of EN AW-5182 H18 at non-isothermal forming conditions","publication":"Materials Science and Engineering (MSE) Congress 2018","type":"conference_abstract","status":"public","department":[{"_id":"9"},{"_id":"321"},{"_id":"149"}],"user_id":"60544","_id":"19868","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"language":[{"iso":"eng"}]},{"publication":"Embedded Systems Letters","abstract":[{"text":"Approximate computing has shown to provide new ways to improve performance\r\nand power consumption of error-resilient applications. While many of these\r\napplications can be found in image processing, data classification or machine\r\nlearning, we demonstrate its suitability to a problem from scientific\r\ncomputing. Utilizing the self-correcting behavior of iterative algorithms, we\r\nshow that approximate computing can be applied to the calculation of inverse\r\nmatrix p-th roots which are required in many applications in scientific\r\ncomputing. Results show great opportunities to reduce the computational effort\r\nand bandwidth required for the execution of the discussed algorithm, especially\r\nwhen targeting special accelerator hardware.","lang":"eng"}],"external_id":{"arxiv":["1703.02283"]},"language":[{"iso":"eng"}],"issue":"2","year":"2018","date_created":"2017-07-25T14:41:08Z","publisher":"IEEE","title":"Using Approximate Computing for the Calculation of Inverse Matrix p-th Roots","type":"journal_article","status":"public","user_id":"16153","department":[{"_id":"27"},{"_id":"518"},{"_id":"304"}],"project":[{"grant_number":"PL 595/2-1","name":"Performance and Efficiency in HPC with Custom Computing","_id":"32"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"20","publication_status":"published","publication_identifier":{"eissn":["1943-0671"],"issn":["1943-0663"]},"citation":{"chicago":"Lass, Michael, Thomas Kühne, and Christian Plessl. “Using Approximate Computing for the Calculation of Inverse Matrix P-Th Roots.” <i>Embedded Systems Letters</i> 10, no. 2 (2018): 33–36. <a href=\"https://doi.org/10.1109/LES.2017.2760923\">https://doi.org/10.1109/LES.2017.2760923</a>.","ieee":"M. Lass, T. Kühne, and C. Plessl, “Using Approximate Computing for the Calculation of Inverse Matrix p-th Roots,” <i>Embedded Systems Letters</i>, vol. 10, no. 2, pp. 33–36, 2018.","ama":"Lass M, Kühne T, Plessl C. Using Approximate Computing for the Calculation of Inverse Matrix p-th Roots. <i>Embedded Systems Letters</i>. 2018;10(2):33-36. doi:<a href=\"https://doi.org/10.1109/LES.2017.2760923\">10.1109/LES.2017.2760923</a>","apa":"Lass, M., Kühne, T., &#38; Plessl, C. (2018). Using Approximate Computing for the Calculation of Inverse Matrix p-th Roots. <i>Embedded Systems Letters</i>, <i>10</i>(2), 33–36. <a href=\"https://doi.org/10.1109/LES.2017.2760923\">https://doi.org/10.1109/LES.2017.2760923</a>","bibtex":"@article{Lass_Kühne_Plessl_2018, title={Using Approximate Computing for the Calculation of Inverse Matrix p-th Roots}, volume={10}, DOI={<a href=\"https://doi.org/10.1109/LES.2017.2760923\">10.1109/LES.2017.2760923</a>}, number={2}, journal={Embedded Systems Letters}, publisher={IEEE}, author={Lass, Michael and Kühne, Thomas and Plessl, Christian}, year={2018}, pages={33–36} }","short":"M. Lass, T. Kühne, C. Plessl, Embedded Systems Letters 10 (2018) 33–36.","mla":"Lass, Michael, et al. “Using Approximate Computing for the Calculation of Inverse Matrix P-Th Roots.” <i>Embedded Systems Letters</i>, vol. 10, no. 2, IEEE, 2018, pp. 33–36, doi:<a href=\"https://doi.org/10.1109/LES.2017.2760923\">10.1109/LES.2017.2760923</a>."},"page":" 33-36","intvolume":"        10","author":[{"first_name":"Michael","id":"24135","full_name":"Lass, Michael","orcid":"0000-0002-5708-7632","last_name":"Lass"},{"first_name":"Thomas","last_name":"Kühne","id":"49079","full_name":"Kühne, Thomas"},{"first_name":"Christian","id":"16153","full_name":"Plessl, Christian","last_name":"Plessl","orcid":"0000-0001-5728-9982"}],"volume":10,"date_updated":"2022-01-06T06:54:18Z","doi":"10.1109/LES.2017.2760923"},{"type":"journal_article","status":"public","project":[{"_id":"1","name":"SFB 901"},{"_id":"3","name":"SFB 901 - Project Area B"},{"_id":"10","name":"SFB 901 - Subproject B2"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"3510","user_id":"5786","department":[{"_id":"355"},{"_id":"34"},{"_id":"7"},{"_id":"26"}],"article_type":"original","file_date_updated":"2018-11-02T15:32:16Z","publication_status":"epub_ahead","publication_identifier":{"issn":["0885-6125"],"eissn":["1573-0565"]},"has_accepted_license":"1","citation":{"ama":"Mohr F, Wever MD, Hüllermeier E. ML-Plan: Automated Machine Learning via Hierarchical Planning. <i>Machine Learning</i>. Published online 2018:1495-1515. doi:<a href=\"https://doi.org/10.1007/s10994-018-5735-z\">10.1007/s10994-018-5735-z</a>","chicago":"Mohr, Felix, Marcel Dominik Wever, and Eyke Hüllermeier. “ML-Plan: Automated Machine Learning via Hierarchical Planning.” <i>Machine Learning</i>, 2018, 1495–1515. <a href=\"https://doi.org/10.1007/s10994-018-5735-z\">https://doi.org/10.1007/s10994-018-5735-z</a>.","ieee":"F. Mohr, M. D. Wever, and E. Hüllermeier, “ML-Plan: Automated Machine Learning via Hierarchical Planning,” <i>Machine Learning</i>, pp. 1495–1515, 2018, doi: <a href=\"https://doi.org/10.1007/s10994-018-5735-z\">10.1007/s10994-018-5735-z</a>.","apa":"Mohr, F., Wever, M. D., &#38; Hüllermeier, E. (2018). ML-Plan: Automated Machine Learning via Hierarchical Planning. <i>Machine Learning</i>, 1495–1515. <a href=\"https://doi.org/10.1007/s10994-018-5735-z\">https://doi.org/10.1007/s10994-018-5735-z</a>","bibtex":"@article{Mohr_Wever_Hüllermeier_2018, title={ML-Plan: Automated Machine Learning via Hierarchical Planning}, DOI={<a href=\"https://doi.org/10.1007/s10994-018-5735-z\">10.1007/s10994-018-5735-z</a>}, journal={Machine Learning}, publisher={Springer}, author={Mohr, Felix and Wever, Marcel Dominik and Hüllermeier, Eyke}, year={2018}, pages={1495–1515} }","mla":"Mohr, Felix, et al. “ML-Plan: Automated Machine Learning via Hierarchical Planning.” <i>Machine Learning</i>, Springer, 2018, pp. 1495–515, doi:<a href=\"https://doi.org/10.1007/s10994-018-5735-z\">10.1007/s10994-018-5735-z</a>.","short":"F. Mohr, M.D. Wever, E. Hüllermeier, Machine Learning (2018) 1495–1515."},"page":"1495-1515","date_updated":"2022-01-06T06:59:21Z","oa":"1","author":[{"last_name":"Mohr","full_name":"Mohr, Felix","first_name":"Felix"},{"first_name":"Marcel Dominik","id":"33176","full_name":"Wever, Marcel Dominik","last_name":"Wever","orcid":" https://orcid.org/0000-0001-9782-6818"},{"first_name":"Eyke","id":"48129","full_name":"Hüllermeier, Eyke","last_name":"Hüllermeier"}],"main_file_link":[{"url":"https://rdcu.be/3Nc2","open_access":"1"}],"conference":{"name":"European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases","start_date":"2018-09-10","end_date":"2018-09-14","location":"Dublin, Ireland"},"doi":"10.1007/s10994-018-5735-z","publication":"Machine Learning","abstract":[{"lang":"eng","text":"Automated machine learning (AutoML) seeks to automatically select, compose, and parametrize machine learning algorithms, so as to achieve optimal performance on a given task (dataset). Although current approaches to AutoML have already produced impressive results, the field is still far from mature, and new techniques are still being developed. In this paper, we present ML-Plan, a new approach to AutoML based on hierarchical planning. To highlight the potential of this approach, we compare ML-Plan to the state-of-the-art frameworks Auto-WEKA, auto-sklearn, and TPOT. In an extensive series of experiments, we show that ML-Plan is highly competitive and often outperforms existing approaches."}],"file":[{"content_type":"application/pdf","relation":"main_file","success":1,"date_created":"2018-11-02T15:32:16Z","creator":"ups","date_updated":"2018-11-02T15:32:16Z","access_level":"closed","file_name":"ML-PlanAutomatedMachineLearnin.pdf","file_id":"5306","file_size":1070937}],"ddc":["000"],"keyword":["AutoML","Hierarchical Planning","HTN planning","ML-Plan"],"language":[{"iso":"eng"}],"year":"2018","publisher":"Springer","date_created":"2018-07-08T14:06:14Z","title":"ML-Plan: Automated Machine Learning via Hierarchical Planning"}]