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Dresden 2017 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 18: Brownian Motion / Noise (joint session DY/TT)

DY 18.7: Talk

Tuesday, March 21, 2017, 11:45–12:00, ZEU 147

Strong coupling, non-Markovian transport: Transient deviations from fluctuation-dissipation theorems — •Javier Cerrillo, Maximilian Buser, and Tobias Brandes — Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin

Transient dynamics of transport settings in the strong coupling and non-Markovian regimes are expected to exhibit deviations from steady state fluctuation-dissipation theorems. We show that these may be exactly quantified in terms of equilibration dynamics under alternative measurement schemes. This relation holds far from equilibrium and extends to high-order transport cumulants. In order to explore the strong-coupling, non-Markovian regime where these deviations are expected to be strongest, a new simulation method based in a hierarchy of equations of motion has been developed for the computation of arbitrary cumulants in transport settings. We instantiate our proposal with the study of deviations of high-order cumulants of energetic transport between two baths connected via a few level system.

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