Fluctuation theorem for a Langevin model of the Feynman ratchet

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    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 languageEnglish
    Pages (from-to)104-108
    Number of pages5
    Journaljournal of the physical society of japan
    Volume69
    Issue number1
    DOIs
    Publication statusPublished - Jan 2000

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)

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