Scaling law for the fluid-solid phase transition in Yukawa systems (Dusty plasmas)

被引：123

作者：

Vaulina, OS ^{[1
]}

Khrapak, SA ^{[1
]}

机构：

[1] Russian Acad Sci, High Energy Dens Res Ctr, Moscow 127412, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2000年 / 90卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.559102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Yukawa systems serve as models for plasmas and colloidal suspensions of charged particles. The state of these systems is determined by two dimensionless parameters: k = a/lambda(D), which is the ratio of the mean interparticle distance to the Debye length lambda(D), and Gamma = Z(d)(2)e(2)/aT(d), which is the ratio of the Coulomb potential energy to the particle temperature T-d (Z(d) is the charge of each particle). We propose an empirical scaling law for the critical coupling parameter Gamma(c) needed for crystallization in Yukawa systems. The dependence of Gamma(c) on k is in good agreement with recent molecular dynamics simulations. (C) 2000 MAIK "Nauka/Interperiodica".

引用

页码：287 / 289

页数：3

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