Reference : Overdamped stochastic thermodynamics with multiple reservoirs
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
Overdamped stochastic thermodynamics with multiple reservoirs
Murashita, Yuto [University of Tokyo > Department of Physics]
Esposito, Massimiliano mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics
American Physical Society
Yes (verified by ORBilu)
College Park
[en] After establishing stochastic thermodynamics for underdamped Langevin systems in contact with multiple
reservoirs, we derive its overdamped limit using timescale separation techniques. The overdamped theory is
different from the naive theory that one obtains when starting from overdamped Langevin or Fokker-Planck
dynamics and only coincides with it in the presence of a single reservoir. The reason is that the coarse-grained fast
momentum dynamics reaches a nonequilibrium state, which conducts heat in the presence of multiple reservoirs.
The underdamped and overdamped theory are both shown to satisfy fundamental fluctuation theorems. Their
predictions for the heat statistics are derived analytically for a Brownian particle on a ring in contact with two
reservoirs and subjected to a nonconservative force and are shown to coincide in the long-time limit.
FnR ; FNR1165601 > Massimiliano Esposito > NewThermo > A New Thermodynamic Theory for Small Fluctuating Systems: From Nanodevices to Cellular Biology > 01/01/2012 > 31/12/2016 > 2011

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