MESOSCOPIC RELAXATION NEAR GLASS-TRANSITION SINGULARITIES

被引：8

作者：

GOTZE, W

SJOGREN, L

机构：

[1] MAX PLANCK INST PHYS & ASTROPHYS,D-80805 MUNICH,GERMANY

[2] CHALMERS TEKNISKA HOGSKOLA,INST TEORET FYS,S-41296 GOTHENBURG,SWEDEN

[3] GOTHENBURG UNIV,S-41296 GOTHENBURG,SWEDEN

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1994年 / 172卷 / pt 1期

关键词：

D O I：

10.1016/0022-3093(94)90412-X

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The mesoscopic relaxation in supercooled liquids for temperatures near the crossover temperature, T-c, is described within the mode coupling theory by a two-parameter scaling law. It deals with the interplay of the cage effect and phonon assisted hopping events. The dynamics for frequencies above the alpha-relaxation rate and below the microscopic excitation band are characterized by two relevant control parameters. The various features of the susceptibility spectra and relaxation curves are discussed.

引用

页码：16 / 25

页数：10

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