COOPERATIVE RELAXATION IN GLASS FORMING LIQUIDS

被引：12
|
作者：
MOHANTY, U
机构：
[1] Department of Chemistry, Chestnut Hill
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 1990年 / 162卷 / 03期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0378-4371(90)90423-P
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Adam-Gibbs theory of cooperative relaxation in glass forming liquids is cast in differential form. The differential equations are examples of the differential equations of the renormalization group. It is shown that generalization of the Adam-Gibbs relation arise naturally from these differential equations. The size of the cooperative rearranging region is determined by the configuration restrictions associated with amorphous packings that can be described by the configurational entropy of the melt. The relation between the linear response of a system in thermal equilibrium to an external disturbance and fluctuations of relevant physical quantities in equilibrium are generalized to constrained systems. © 1990.
引用
收藏
页码：362 / 376
页数：15
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