GLASSY RELAXATION AT SURFACES - THE CORRELATION LENGTH OF COOPERATIVE MOTION IN THE FACILITATED KINETIC ISING-MODEL

被引：43

作者：

BUTLER, S

HARROWELL, P

机构：

[1] Theoretical Chemistry Section, University of Sydney, Sydney

来源：

JOURNAL OF CHEMICAL PHYSICS | 1991年 / 95卷 / 06期

关键词：

D O I：

10.1063/1.461769

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A measure of cooperativity in glassy liquids is defined in terms of the kinetic correlation length of relaxation at a surface. This length and its temperature dependence is measured for the facilitated kinetic Ising model with both free and pinned surfaces. A simple power law is found to describe the relationship between the kinetic correlation length and the bulk relaxation time over four decades of data.

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页码：4466 / 4470

页数：5

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