Rényi entropy flows from quantum heat engines

Journal article (2015)
Department
QN/Quantum Nanoscience (AS) (TU Delft)
Copyright: © 2015 American Physical Society
DOI: https://doi.org/10.1103/PhysRevB.91.104303
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Published Date

18-03-2015

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Source:

Physical Review B, 91 (10), 2015

Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Abstract

We evaluate Rényi entropy flows from generic quantum heat engines (QHE) to a weakly coupled probe environment kept in thermal equilibrium. We show that the flows are determined not only by heat flow but also by a quantum coherent flow that can be separately measured in experiment apart from the heat flow measurement. The same pertains to Shannon entropy flow. This appeals for a revision of the concept of entropy flows in quantum nonequlibrium thermodynamics.

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