Reference : Exact fluctuation theorem without ensemble quantities
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/18056
Exact fluctuation theorem without ensemble quantities
English
Bulnes Cuetara, Gregory mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Esposito, Massimiliano mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Imparato, Alberto [Aarhus University > Department of Physics and Astronomy]
13-May-2014
Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics
American Physical Society
1402
1873
Yes (verified by ORBilu)
International
1539-3755
1550-2376
College Park
MD
[en] Condensed Matter - Statistical Mechanics
[en] Evaluating the entropy production (EP) along a stochastic trajectory requires the knowledge of the system probability distribution, an ensemble quantity notoriously difficult to measure. In this letter, we show that the EP of nonautonomous systems in contact with multiple reservoirs can be expressed solely in terms of physical quantities measurable at the single trajectory level with a suitable preparation of the initial condition. As a result, we identify universal energy and particle fluctuation relations valid for any measurement time. We apply our findings to an electronic junction model which may be used to verify our prediction experimentally.
http://hdl.handle.net/10993/18056
10.1103/PhysRevE.89.052119
http://adsabs.harvard.edu/abs/2014arXiv1402.1873B
4 pages, 3 Figures, 1 sup.mat

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