Article (Scientific journals)
Quantum and Information Thermodynamics: A Unifying Framework Based on Repeated Interactions
Strasberg, Philipp; Schaller, Gernot; Brandes, Tobias et al.
2017In Physical Review X, 7 (021003)
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Keywords :
Mesoscopics; Quantum Physics; Statistical Physics
Abstract :
[en] We expand the standard thermodynamic framework of a system coupled to a thermal reservoir by <br />considering a stream of independently prepared units repeatedly put into contact with the system. These <br />units can be in any nonequilibrium state and interact with the system with an arbitrary strength and <br />duration. We show that this stream constitutes an effective resource of nonequilibrium free energy, and we <br />identify the conditions under which it behaves as a heat, work, or information reservoir. We also show that <br />this setup provides a natural framework to analyze information erasure (“Landauer’s principle”) and <br />feedback-controlled systems (“Maxwell’s demon”). In the limit of a short system-unit interaction time, we <br />further demonstrate that this setup can be used to provide a thermodynamically sound interpretation to <br />many effective master equations. We discuss how nonautonomously driven systems, micromasers, lasing <br />without inversion and the electronic Maxwell demon can be thermodynamically analyzed within our <br />framework. While the present framework accounts for quantum features (e.g., squeezing, entanglement, <br />coherence), we also show that quantum resources do not offer any advantage compared to classical ones in <br />terms of the maximum extractable work.
Disciplines :
Physics
Author, co-author :
Strasberg, Philipp ;  Technische Universität Berlin > Institut für Theoretische Physik
Schaller, Gernot;  Technische Universität Berlin > Institut für Theoretische Physik
Brandes, Tobias;  echnische Universität Berlin > Institut für Theoretische Physik
Esposito, Massimiliano  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
yes
Language :
English
Title :
Quantum and Information Thermodynamics: A Unifying Framework Based on Repeated Interactions
Publication date :
07 April 2017
Journal title :
Physical Review X
ISSN :
2160-3308
Publisher :
American Physical Society, College Park, United States - Maryland
Volume :
7
Issue :
021003
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
FnR Project :
FNR1165601 - A New Thermodynamic Theory For Small Fluctuating Systems: From Nanodevices To Cellular Biology, 2011 (01/01/2012-30/06/2017) - Massimiliano Esposito
Funders :
FNR - Fonds National de la Recherche [LU]
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