Trapping of Brownian particles by random spheres of different radii

被引：4

作者：

Berezhkovskii, AM

Makhnovskii, YA

Weiss, GH

机构：

[1] NIH, Ctr Informat Technol, Bethesda, MD 20892 USA

[2] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 117912, Russia

[3] LY Karpov Phys Chem Res Inst, Moscow 103064, Russia

来源：

JOURNAL OF CHEMICAL PHYSICS | 2001年 / 115卷 / 12期

关键词：

D O I：

10.1063/1.1396673

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 analyze the survival of a Brownian particle moving among randomly distributed spherical traps of two different radii. All of the results known in the case of identical traps, the mean-field Smoluchowski solution, the lowest order correction of this solution, the cumulant expansion, and the long-time behavior, are generalized to the case of two types of traps. Our approach is readily extended to deal with trapping spheres having more than two different radii. (C) 2001 American Institute of Physics.

引用

页码：5376 / 5380

页数：5

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