LONG-RANGE CORRELATIONS IN NONEQUILIBRIUM LORENTZ GASES

被引：2
|
作者：
YOSHIMURA, M [1 ]
KIRKPATRICK, TR [1 ]
机构：
[1] UNIV MARYLAND, DEPT PHYS & ASTRON, COLLEGE PK, MD 20742 USA
来源：
PHYSICAL REVIEW E | 1995年 / 52卷 / 03期
关键词：
D O I：
10.1103/PhysRevE.52.2676
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Spatial correlation functions in Lorentz gases maintained in nonequilibrium steady states are studied. The correlation function of microscopic number densities of the moving particle and scatterer is found to have long range spatial correlations that decay as 1/r(2) in three dimensions in the presence of either a concentration gradient, a temperature gradient, or an electric field. Stronger correlations are found at higher order in the electric field. Our analysis is based on a derived kinetic equation for the two-particle correlation function. Possible extensions of our work are discussed.
引用
收藏
页码：2676 / 2680
页数：5
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