Article (Périodiques scientifiques)
Ensemble dependence of information-theoretic contributions to the entropy production.
PTASZYNSKI, Krzysztof; ESPOSITO, Massimiliano
2023In Physical Review. E, 107 (5), p. 052102
Peer reviewed vérifié par ORBi
 

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PhysRevE.107.L052102, Ensemble dependence of information-theoretic contributions to the entropy production.pdf
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Mots-clés :
Thermodynamics; Entropy production; Mutual informations; Relative entropy; Statistical ensembles; Statistical and Nonlinear Physics
Résumé :
[en] The entropy production of an open system coupled to a reservoir initialized in a canonical state can be expressed as a sum of two microscopic information-theoretic contributions: the system-bath mutual information and the relative entropy measuring the displacement of the environment from equilibrium. We investigate whether this result can be generalized to situations where the reservoir is initialized in a microcanonical or in a certain pure state (e.g., an eigenstate of a nonintegrable system), such that the reduced dynamics and thermodynamics of the system are the same as for the thermal bath. We show that while in such a case the entropy production can still be expressed as a sum of the mutual information between the system and the bath and a properly redefined displacement term, the relative weight of those contributions depends on the initial state of the reservoir. In other words, different statistical ensembles for the environment predicting the same reduced dynamics for the system give rise to the same total entropy production but to different information-theoretic contributions to the entropy production.
Disciplines :
Physique
Auteur, co-auteur :
PTASZYNSKI, Krzysztof  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) ; Institute of Molecular Physics, Polish Academy of Sciences, Mariana Smoluchowskiego 17, 60-179 Poznań, Poland
ESPOSITO, Massimiliano  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Ensemble dependence of information-theoretic contributions to the entropy production.
Date de publication/diffusion :
mai 2023
Titre du périodique :
Physical Review. E
ISSN :
2470-0045
eISSN :
2470-0053
Maison d'édition :
American Physical Society, Etats-Unis
Volume/Tome :
107
Fascicule/Saison :
5
Pagination :
L052102
Peer reviewed :
Peer reviewed vérifié par ORBi
Organisme subsidiant :
Narodowe Centrum Nauki
Ministerstwo Edukacji i Nauki
Foundational Questions Institute
Subventionnement (détails) :
K.P. has been supported by the National Science Centre, Poland, under Project No. 2017/27/N/ST3/01604, and by the Scholarships of Minister of Science and Higher Education. This research was also supported by the FQXi foundation Project No. FQXi-IAF19-05-52 Colloids and superconducting quantum circuits.
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depuis le 21 décembre 2023

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