Time-symmetric fluctuations in nonequilibrium systems

C. Maes, M.H. Wieren, van

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    39 Citations (Scopus)
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    For nonequilibrium steady states, we identify observables whose fluctuations satisfy a general symmetry and for which a new reciprocity relation can be shown. Unlike the situation in recently discussed fluctuation theorems, these observables are time-reversal symmetric. That is essential for exploiting the fluctuation symmetry beyond linear response theory. In addition to time reversal, a crucial role is played by the reversal of the driving fields that further resolves the space-time action. In particular, the time-symmetric part in the space-time action determines the second order effects of the nonequilibrium driving.
    Original languageEnglish
    Article number240601
    Pages (from-to)240601-1/4
    Number of pages4
    JournalPhysical Review Letters
    Issue number24
    Publication statusPublished - 2006

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