Fluctuation theorem for a Langevin model of the Feynman ratchet

Hidetsugu Sakaguchi

doi:10.1143/JPSJ.69.104

Fluctuation theorem for a Langevin model of the Feynman ratchet

Hidetsugu Sakaguchi

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A stationary nonequilibrium state for the Feynman ratchet is realized in a Langevin simulation with a stochastic boundary condition. We calculate the temporal fluctuation of the total entropy production and show that the "fluctuation-theorem" is valid for this stochastic system. An Einstein relation between the diffusion constant and the response coefficient is numerically verified.

Original language	English
Pages (from-to)	104-108
Number of pages	5
Journal	journal of the physical society of japan
Volume	69
Issue number	1
DOIs	https://doi.org/10.1143/JPSJ.69.104
Publication status	Published - Jan 2000

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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AB - A stationary nonequilibrium state for the Feynman ratchet is realized in a Langevin simulation with a stochastic boundary condition. We calculate the temporal fluctuation of the total entropy production and show that the "fluctuation-theorem" is valid for this stochastic system. An Einstein relation between the diffusion constant and the response coefficient is numerically verified.

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Fluctuation theorem for a Langevin model of the Feynman ratchet

Abstract

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