Nonequilibrium Entropy Production for Open Quantum Systems

Sebastian Deffner and Eric Lutz
Phys. Rev. Lett. 107, 140404 – Published 30 September 2011

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 [Phys. Rev. Lett. 95, 040602 (2005)].

  • Figure
  • Received 28 March 2011

DOI:https://doi.org/10.1103/PhysRevLett.107.140404

© 2011 American Physical Society

Authors & Affiliations

Sebastian Deffner and Eric Lutz

  • Department of Physics, University of Augsburg, D-86135 Augsburg, Germany

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Issue

Vol. 107, Iss. 14 — 30 September 2011

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