STOCHASTIC RESONANCE IN A CHEMICAL-REACTION

被引：92

作者：

LEONARD, DS

REICHL, LE

机构：

[1] Center for the Study of Statistical Mechanics and Complex Systems, University of Texas at Austin, Austin

来源：

PHYSICAL REVIEW E | 1994年 / 49卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.49.1734

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：

As a prototypical autocatalytic reaction, we study the Schlogl reaction scheme: A + 2x half arrow right over half arrow left 3X, B + X half arrow right over half arrow left C. We focus on the population of species X, and describe the process through a birth-death master equation to retain the effects of internal fluctuations. We show that in the bistable regime, internal fluctuations can strongly amplify the system's response to weak, harmonic fields. The mechanism is a stochastic resonance in which the source of noise is the internal dynamics rather than a random environment.

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页码：1734 / 1737

页数：4

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