Numéro
J. Phys. I France
Volume 4, Numéro 3, March 1994
Page(s) 467 - 473
DOI https://doi.org/10.1051/jp1:1994111
DOI: 10.1051/jp1:1994111
J. Phys. I France 4 (1994) 467-473

Self-similar phase space in spin glasses

Serge Galam and Alain Mauger

Groupe de Physique des Solides, Tour 23, 2 place Jussieu, 75251 Paris Cedex 05, France


(Received 19 August 1993, revised 4 November 1993, accepted 17 November 1993)

Abstract
Postulating homogeneity for the relaxation function, we show that the standard dynamic scaling hypothesis is recovered and that effective relaxation times must decreme upon increasing Kadanoff's blocks sizes. In the case of spin glasses our results are naturally obtained within a diffusion process in the phase space among eigenstates available to the spin system. The model suggests that the critical slowing-down in spin glasses does not result from hierarchically constrained dynamics.



© Les Editions de Physique 1994

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