Dresden 2020 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 9: Many-body Systems: Equilibration, Chaos and Localization I (joint session DY/TT)

TT 9.13: Vortrag

Montag, 16. März 2020, 13:15–13:30, HÜL 186

Thermalization properties of closed quantum systems in linear response — •Christian Bartsch — Fakultät für Physik, Universität Bielefeld, Universitätsstraße 25, D-33615 Bielefeld

Linear response theory provides a useful tool to describe non-equilibrium dynamics not too far away from equilibrium. We are able to identify different long time behavior for certain types of non-equilibrium initial conditions also with respect to the eigenstate thermalization hypothesis (ETH). Additionally, we investigate the stability of long time dynamics in driven quantum systems and its dependence on, e.g., the driving frequency. Along these lines we analyze the average energy input per driving period.