Nonequilibrium entropy production for open quantum systems

2011/03/28 by Sebastian Deffner, Eric Lutz · 2 citations
Physics and Astronomy · #cond-mat.stat-mech #quant-ph

paper · pdf · doi:10.1103/physrevlett.107.140404

published as Phys. Rev. Lett., 107 (2011) 140404 · 4 pages, 1 figure

arxiv created 2011/03/28 · arxiv updated 2012/10/24

Abstract

We consider open quantum systems weakly coupled to a heat reservoir and driven by arbitrary time-dependent parameters. We derive exact microscopic expressions for the nonequilibrium entropy production and entropy production rate, valid arbitrarily far from equilibrium. By using the two-point energy measurement statistics for system and reservoir, we further obtain a quantum generalization of the integrated fluctuation theorem put forward by Seifert [PRL 95, 040602 (2005)].

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