Local fluctuation theorem for large systems

Michel, Guillaume and Searles, Debra J. (2013) Local fluctuation theorem for large systems. Physical Review Letters, 110 26: . doi:10.1103/PhysRevLett.110.260602

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Author Michel, Guillaume
Searles, Debra J.
Title Local fluctuation theorem for large systems
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
1079-7114
Publication date 2013-06-28
Year available 2013
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.110.260602
Open Access Status File (Publisher version)
Volume 110
Issue 26
Total pages 5
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract The fluctuation theorem characterizes the distribution of the dissipation in nonequilibrium systems and proves that the average dissipation will be positive. For a large system with no external source of fluctuation, fluctuations in properties will become unobservable and details of the fluctuation theorem are unable to be explored. In this Letter, we consider such a situation and show how a fluctuation theorem can be obtained for a small open subsystem within the large system. We find that a correction term has to be added to the large system fluctuation theorem due to correlation of the subsystem with the surroundings. Its analytic expression can be derived provided some general assumptions are fulfilled, and its relevance is checked using numerical simulations.
Keyword Steady states
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Article # 260602

 
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Created: Sun, 11 Aug 2013, 10:15:33 EST by System User on behalf of Aust Institute for Bioengineering & Nanotechnology