ON THE ESCAPE RATE FROM A METASTABLE STATE IN A NONPOTENTIAL SYSTEM

被引：6
|
作者：
BORGIS, D
MOREAU, M
机构：
[1] Laboratoire de Physique Théorique Equipe associée au C.N.R.S., Université Pierre et Marie Curie, Tour 16, 5ème étage, C. 16/15, 4 place Jussieu
来源：
PHYSICA A | 1990年 / 163卷 / 03期
关键词：
D O I：
10.1016/0378-4371(90)90256-R
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The escape rate from a metastable state is computed for a nonpotential system described by a general, multivariate, Fokker-Planck equation. The result is a generalization of the escape rate obtained by other authors in the case of potential systems. A straightforward application is found in the derivation of the Grote-Hynes result for chemical rates in solution. Another characteristic application is the theory of nucleation in nonlinear chemical systems far from equilibrium, which has been developed in a previous paper of the authors without a proper derivation of the nucleation rate formula [J. Stat. Phys. 50 (1988) 935]. © 1990.
引用
收藏
页码：877 / 894
页数：18
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