MEAN-FIELD MODEL FOR SPATIALLY EXTENDED SYSTEMS IN THE PRESENCE OF MULTIPLICATIVE NOISE

被引：97

作者：

VANDENBROECK, C

PARRONDO, JMR

ARMERO, J

HERNANDEZMACHADO, A

机构：

[1] UNIV BARCELONA,FAC FIS,DEPT ESTRUCTURA & CONSTITUENTS MAT,E-08028 BARCELONA,SPAIN

[2] UNIV COMPLUTENSE,DEPT FIS APLICADA 1,E-28040 MADRID,SPAIN

来源：

PHYSICAL REVIEW E | 1994年 / 49卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.49.2639

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：

We present a mean field model that describes the effect of multiplicative noise in spatially extended systems. The model can be solved analytically. For the case of the phi4 potential it predicts that the phase transition is shifted. This conclusion is supported by numerical simulations of this model in two dimension.

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页码：2639 / 2643

页数：5

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