ON MEAN-FIELD GLASSY DYNAMICS OUT OF EQUILIBRIUM

被引:86
作者
FRANZ, S
MEZARD, M
机构
[1] Laboratoire de Physique Théorique de l'Ecole Normale Supérieure, 75231 Paris Cedex 05, France1 1 Unité propre du CNRS, associéeà l'Ecole Normale Supérieure et à l'Université de Paris Sud, 24 rue Lhomond
来源
PHYSICA A | 1994年 / 210卷 / 1-2期
关键词
D O I
10.1016/0378-4371(94)00057-3
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study the off equilibrium dynamics of a mean field disordered systems which can be intrepreted both as a long range interaction spin glass and as a particle in a random potential. The statics of this problem is well known and exhibits a low temperature spin glass phase with continuous replica symmetry breaking. We study the equations of off equilibrium dynamics with analytical and numerical methods. In the spin glass phase, we find that the usual equilibrium dynamics (observed when the observation time is much smaller than the waiting time) coexists with an aging regime. In this aging regime, we propose a solution implying a hierarchy of crossovers between the observation time and the waiting time.
引用
收藏
页码:48 / 72
页数:25
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