Spatial correlations of particle displacements in a glass-forming liquid

被引：42
|
作者：
Poole, PH [1 ]
Donati, C
Glotzer, SC
机构：
[1] Univ Western Ontario, Dept Appl Math, London, ON N6A 5B7, Canada
[2] NIST, Div Polymers, Gaithersburg, MD 20899 USA
[3] NIST, Ctr Theoret & Computat Mat Sci, Gaithersburg, MD 20899 USA
来源：
PHYSICA A | 1998年 / 261卷 / 1-2期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/S0378-4371(98)00376-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We define a generic correlation function that quantifies the spatial correlation of single-particle displacements in liquids and amorphous systems. We evaluate this function using computer simulations of an equilibrium glass-forming liquid, and show that the displacements of particles are spatially correlated over a range that grows with decreasing temperature as the glass transition is approached. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：51 / 59
页数：9
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