0 30 35 45 v 2 2 1 Ju l 2 00 3 A far-from-equilibrium fluctuation-dissipation relation for an Ising-Glauber-like model

Abstract

We derive an exact expression of the response function to an infinitesimal magnetic field for an Ising-Glauber-like model with arbitrary exchange couplings. The result is expressed in terms of thermodynamic averages and does not depend on the initial conditions or on the dimension of the space. The response function is related to time-derivatives of a… (More)

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