Fluctuation-dissipation relation in a sheared fluid

被引：47

作者：

Barrat, Jean-Louis ^{[1
]}

Berthier, Ludovic ^{[1
,2
]}

机构：

[1] Dept. de Phys. des Matériaux, Univ. Claude Bernard and CNRS, F-69622 Villeurbanne Cedex, France

[2] Laboratoire de Physique, ENS-Lyon and CNRS, F-69007 Lyon, France

来源：

Physical Review E - Statistical, Nonlinaer, and Soft Matter Physics | 2001年 / 63卷 / 1 I期

关键词：

Crystallization - Free energy - Models - Molecular dynamics;

D O I：

10.1103/PhysRevE.63.012503

中图分类号：

学科分类号：

摘要：

The fluctuation-dissipation theorem (FDT) is usually violated for a fluid out of equilibrium. The relationship between correlation and response functions in a fluid is studied. The molecular dynamics simulations are used. Investigations are done for both the high temperature fluid state and the low temperature glassy state. The violation of the FDT is similar to the one observed in an aging system. When the fluid is driven beyond the linear response regime, violations of the FDT appear in the fluid state.

引用

页码：012503 / 012501

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