Response of non-equilibrium systems at criticality: Exact results for the Glauber-Ising chain release_gbepsxfy3rfqxhbiibackfqajy

by C. Godreche, J.M. Luck


We investigate the non-equilibrium two-time correlation and response functions and the associated fluctuation-dissipation ratio for the ferromagnetic Ising chain with Glauber dynamics. The scaling behavior of these quantities at low temperature and large times is studied in detail. This analysis encompasses the self-similar domain-growth (aging) regime, the spatial and temporal Porod regimes, and the convergence toward equilibrium. The fluctuation-dissipation ratio admits a non-trivial limit value X_∞=1/2 at zero temperature, and more generally in the aging regime.
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Release Date 1999-11-22
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Date   1999-11-22
Version   v1
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