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Entropy 2016, 18(12), 447; doi:10.3390/e18120447

Quantum Thermodynamics with Degenerate Eigenstate Coherences

1
Complex Systems and Statistical Mechanics, Physics and Materials Research Unit, University of Luxembourg, Luxembourg 1511, Luxembourg
2
Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstr. 36, Berlin 10623, Germany
*
Authors to whom correspondence should be addressed.
Academic Editor: Ronnie Kosloff
Received: 27 October 2016 / Revised: 6 December 2016 / Accepted: 9 December 2016 / Published: 15 December 2016
(This article belongs to the Special Issue Quantum Thermodynamics)
View Full-Text   |   Download PDF [488 KB, uploaded 16 December 2016]   |  

Abstract

We establish quantum thermodynamics for open quantum systems weakly coupled to their reservoirs when the system exhibits degeneracies. The first and second law of thermodynamics are derived, as well as a finite-time fluctuation theorem for mechanical work and energy and matter currents. Using a double quantum dot junction model, local eigenbasis coherences are shown to play a crucial role on thermodynamics and on the electron counting statistics. View Full-Text
Keywords: entropy; coherence; fluctuation theorem entropy; coherence; fluctuation theorem
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Bulnes Cuetara, G.; Esposito, M.; Schaller, G. Quantum Thermodynamics with Degenerate Eigenstate Coherences. Entropy 2016, 18, 447.

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