Anomalous time correlation in two-dimensional driven diffusive systems

Takenobu Nakamura, Michio Otsuki, Shin Ichi Sasa

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    1 Citation (Scopus)


    We study the time-correlation function of a density field in two-dimensional driven diffusive systems within the framework of fluctuating hydrodynamics. It is found that the time correlation exhibits power-law behavior in an intermediate time regime in the case that the fluctuation-dissipation relation is violated and that the power-law exponent depends on the extent of this violation. We obtain this result by employing a renormalization group method to treat a logarithmic divergence in time.

    Original languageEnglish
    Article number061107
    JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
    Issue number6
    Publication statusPublished - 2005 Jun

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Statistics and Probability
    • Condensed Matter Physics

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