Master equation and molecular dynamics simulations of excitability in a model chemical system

被引：4

作者：

Nowakowski, B ^{[1
]}

Gorecki, J ^{[1
]}

Kawczynski, AL ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland

来源：

JOURNAL OF PHYSICAL CHEMISTRY A | 1998年 / 102卷 / 37期

关键词：

D O I：

10.1021/jp980839p

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 the influence of internal fluctuations on a simple but realistic model of a chemical system in an excitable regime. Numerical simulations of the master equation are compared with results of molecular dynamics simulations. We show that internal fluctuations are able to excite the system, which is initially at a stable stationary state. The dependence of escape time on the system's volume is studied. We observe that correlations of fluctuations in concentrations do not depend on the volume and the results of both simulation methods are in excellent agreement.

引用

页码：7250 / 7256

页数：7

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