Journal
JOURNAL OF STATISTICAL PHYSICS
Volume 146, Issue 2, Pages 294-313Publisher
SPRINGER
DOI: 10.1007/s10955-011-0389-2
Keywords
Fluctuation relations; Jump processes; Large deviation theory
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Funding
- Israel Science Foundation (ISF)
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We investigate a new symmetry of the large deviation function of certain time-integrated currents in non-equilibrium systems. The symmetry is similar to the well-known Gallavotti-Cohen-Evans-Morriss-symmetry for the entropy production, but it concerns a different functional of the stochastic trajectory. The symmetry can be found in a restricted class of Markov jump processes, where the network of microscopic transitions has a particular structure and the transition rates satisfy certain constraints. We provide three physical examples, where time-integrated observables display such a symmetry. Moreover, we argue that the origin of the symmetry can be traced back to time-reversal if stochastic trajectories are grouped appropriately.
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