CREEP IN ONE-DIMENSION AND PHENOMENOLOGICAL THEORY OF GLASS DYNAMICS

被引:52
作者
LEDOUSSAL, P
VINOKUR, VM
机构
[1] UNIV CALIF SANTA BARBARA, ITP, SANTA BARBARA, CA 93106 USA
[2] ARGONNE NATL LAB, DIV MAT SCI, ARGONNE, IL 60439 USA
来源
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1995年 / 254卷 / 1-2期
基金
美国国家科学基金会;
关键词
D O I
10.1016/0921-4534(95)00545-5
中图分类号
O59 [应用物理学];
学科分类号
摘要
The dynamics of a glass transition is discussed in terms of the motion of a particle in a one-dimensional correlated random potential. An exact calculation of the velocity V under an applied force f demonstrates a variety of dynamic regimes depending on the range of correlations. In a gaussian potential with correlator C(x) = x(gamma) we find a transition from ohmic behavior (gamma < 0) to creep motion V similar to exp(- const/f(mu)) (0 < gamma < 1). This provides a generic picture of the glass transition in systems where long-range correlations in the effective disorder develop due to elasticity such as elastic manifolds subject to quenched disorder and the vortex-glass transition in superconductors.
引用
收藏
页码:63 / 68
页数:6
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