A Langevin Simulation for the Feynman Ratchet Model

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    A Langevin equation is proposed to perform a simulation for the Feynman ratchet model. A stochastic boundary condition is introduced for the role of a pawl in the Feynman ratchet model. The mathematical model can be solved using the Fokker-Planck equation. The solution is compared with the Langevin simulation. A coupled system of the ratchet elements exhibits smooth unidirectional motion when the coupling constant is large.

    Original languageEnglish
    Pages (from-to)709-712
    Number of pages4
    JournalJournal of the Physical Society of Japan
    Issue number3
    Publication statusPublished - 1998

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)


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