Dissipation Bounds All Steady-State Current Fluctuations
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PhysRevLett.116.120601.pdf
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Author(s)
Perunov, Nikolay
England, Jeremy L.
Gingrich, Todd
Horowitz, Jordan
Date Issued
March 2016
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Gingrich, Todd R., Jordan M. Horowitz, Nikolay Perunov, and Jeremy L. England. “Dissipation Bounds All Steady-State Current Fluctuations.” Physical Review Letters 116, no. 12 (March 21, 2016). © 2016 American Physical Society
Version
Final published version
Abstract
Near equilibrium, small current fluctuations are described by a Gaussian distribution with a linear-response variance regulated by the dissipation. Here, we demonstrate that dissipation still plays a dominant role in structuring large fluctuations arbitrarily far from equilibrium. In particular, we prove a linear-response-like bound on the large deviation function for currents in Markov jump processes. We find that nonequilibrium current fluctuations are always more likely than what is expected from a linear-response analysis. As a small-fluctuations corollary, we derive a recently conjectured uncertainty bound on the variance of current fluctuations.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.116.120601
