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Dresden 2017 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 15: Quantum Dynamics, Decoherence, Quantum Information

DY 15.4: Talk

Tuesday, March 21, 2017, 10:15–10:30, ZEU 160

Stroboscopic simulation of environmental dynamics: driven systems and full counting statistics — •Javier Cerrillo and Tobias Brandes — Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin

Modern non-equilibrium transport experiments provide full-counting statistics of environmental observables. We show that the effect of fast periodic driving on an open quantum system can be exploited to obtain additional environmental statistics corresponding to effective static Hamiltonians. The combination of both strategies facilitates investigation of a large portion of the environmental degrees of freedom in such form that dynamical correlations between the system and the environment can be probed. In the case of the strong-coupling, non-Markovian spin-boson model, evidence of polaron dynamics can be directly derived from the population inversion of the spin, and its role in energy transport between two baths can thus be explored. In particular, it can be put in terms of transient deviations from fluctuation-dissipation theorems associated to non-linear transport coefficients.

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