A SELF-CONSISTENT THEORY OF SINGLE-PARTICLE MOTION IN ORDINARY AND SUPERCOOLED LIQUIDS

被引：27

作者：

BALUCANI, U ^{[1
]}

VALLAURI, R ^{[1
]}

GASKELL, T ^{[1
]}

DUFFY, SF ^{[1
]}

机构：

[1] UNIV SHEFFIELD,DEPT PHYS,SHEFFIELD S3 7RH,S YORKSHIRE,ENGLAND

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1990年 / 2卷 / 22期

关键词：

D O I：

10.1088/0953-8984/2/22/021

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The mean square displacement of a tagged particle in a liquid is known to exhibit a diffusive linear time dependence beyond a microscopic timescale. By making use of simple mode-coupling concepts the authors derive a set of analytic self-consistent equations for the relevant dynamical quantities in this regime, namely the diffusion coefficient and the intercept. The results of the theory are successfully compared with the data obtained by simulation experiments in different systems.

引用

页码：5015 / 5023

页数：9

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