Short-time dynamics behavior at the gas-liquid critical point

被引：8

作者：

Zhang, WB ^{[1
]}

Zou, XW ^{[1
]}

Liu, HY ^{[1
]}

Jin, ZZ ^{[1
]}

Tian, DC ^{[1
]}

机构：

[1] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China

来源：

PHYSICS LETTERS A | 2000年 / 272卷 / 5-6期

关键词：

short-time behavior; critical phenomena; molecular dynamics;

D O I：

10.1016/S0375-9601(00)00447-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dynamic relaxation process for the two dimension fluid at the critical point was studied, by using the constant pressure and constant temperature (NPT) molecular dynamics (MD). The system was initially at the state of very high temperature and of the density little higher than the critical density, and then it was quenched to the state of the critical temperature and critical pressure. The initial increase of the density was observed. The new dynamic exponent theta has been obtained and it manifests the universal short-time dynamic behavior also exists in the fluid phase. (C) 2000 Elsevier Science B.V. All rights reserved. PACS: 71.15.D; 64.60.F; 05.70.Jk.

引用

页码：408 / 411

页数：4

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