Distribution of time scales in the Sherrington-Kirkpatrick model

preprint2010arXivOpen access

Abstract

Numerical data on the probability distribution of the equilibrium relaxation time of the Sherrington-Kirkpatrick model are obtained by means of dynamical Monte Carlo simulation, for several values of the system size NN and temperature TT. Proper care is taken that the thermal fluctuations on the relaxation time estimates are totally negligible compared to the disorder induced fluctuations. The probability distribution of ln⁡τ−ln⁡τ‾\lnτ-\overline{\lnτ} scales with the scaling variable N1/3(Tc−T)N^{1/3} (T_c-T) strengthening the belief that ln⁡τ‾∝N1/3\overline{\lnτ}\propto N^{1/3} in the whole spin glass phase.

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