Kloc, M. and Simsa, D. and Hanak, F. and Kapralova-Zvdanska, P. R. and Stransky, P. and Cejnar, P.. (2021) Quasiclassical approach to quantum quench dynamics in the presence of an excited-state quantum phase transition. Phys. Rev. A, 103. 032213.
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Official URL: https://edoc.unibas.ch/87300/
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Abstract
The dynamics of a quantum system following a sudden, highly nonadiabatic change of its control parameter (quantum quench) is studied with quasiclassical techniques. Recent works have shown, using exact quantum mechanical approach, that equilibration after quantum quench exhibits specific features in the presence of excited-state quantum phase transitions. In this paper, we demonstrate that these features can be understood from the classical evolution of the Wigner function in phase space.
| Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder) |
|---|---|
| UniBasel Contributors: | Kloc, Michal |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | American Physical Society |
| ISSN: | 2469-9926 |
| e-ISSN: | 2469-9934 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
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| Identification Number: | |
| Last Modified: | 12 Apr 2022 08:45 |
| Deposited On: | 12 Apr 2022 08:45 |
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