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  • Title: Fluctuation-dissipation theorem and the linear Glauber model.
    Author: Hase MO, Salinas SR, Tomé T, de Oliveira MJ.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2006 May; 73(5 Pt 2):056117. PubMed ID: 16803008.
    Abstract:
    We obtain exact expressions for the two-time autocorrelation and response functions of the -dimensional linear Glauber model. Although this linear model does not obey detailed balance in dimensions d > or = 2, we show that the usual form of the fluctuation-dissipation ratio still holds in the stationary regime. In the transient regime, we show the occurrence of aging, with a special limit of the fluctuation-dissipation ratio, x(infinity) = 1/2, for a quench at the critical point.
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