Local events and stretched-exponential relaxation in glasses

被引：16

作者：

Trachenko, K ^{[1
]}

Dove, MT ^{[1
]}

机构：

[1] Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England

来源：

PHYSICAL REVIEW B | 2004年 / 70卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.70.132202

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We discuss the relaxation in glasses in terms of local relaxation events (LRE) which glass uses to adjust to external perturbations. The dynamics of LRE is governed by a differential equation with a solution that fits well to the stretched-exponential relaxation. We discuss how this picture gives rise to the observed correlations of nonexponentiality with temperature, relaxation time, and structure of glass or fragility of a glass-forming system.

引用

页码：132202 / 1

页数：4

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