DIFFUSION OF BROWNIAN PARTICLES WITH HYDRODYNAMIC INTERACTION AND HARD-CORE REPULSION

被引：58
|
作者：
CICHOCKI, B
FELDERHOF, BU
机构：
[1] POLISH ACAD SCI,INST FUNDAMENTAL TECHNOL RES,PL-00049 WARSAW,POLAND
[2] RHEIN WESTFAL TH AACHEN,INST THEORET PHYS A,W-5100 AACHEN,GERMANY
来源：
JOURNAL OF CHEMICAL PHYSICS | 1991年 / 94卷 / 01期
关键词：
D O I：
10.1063/1.460319
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We study diffusion in a dilute system of Brownian particles with hydrodynamic interaction and hard core repulsion. We assume that the hard core has a radius larger than the hgydrodynamic one. The short-time and long-time self-diffusion coefficient, as well as the collective diffusion coefficient, are calculated exactly to first order in the volume fraction. We show that hydrodynamic interactions are important even when the hard core radius is several times larger than the hydrodynamic one.
引用
收藏
页码：556 / 562
页数：7
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