SCALING LAWS AND SIMULATION RESULTS FOR THE SELF-ORGANIZED CRITICAL FOREST-FIRE MODEL

被引：79

作者：

CLAR, S

DROSSEL, B

SCHWABL, F

机构：

[1] Institut für Theoretische Physik, Physik-Department der Technichen, Universität München, D-85747 Garching, James-Franck-Strasse

来源：

PHYSICAL REVIEW E | 1994年 / 50卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.50.1009

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 discuss the properties of a self-organized critical forest-fire model which has been introduced recently [B. Drossel and F. Schwabl, Phys. Rev. Lett. 69, 1629 (1992)]. We derive scaling laws and define critical exponents. The values of these critical exponents are determined by computer simulations in one to eight dimensions. The simulations suggest a critical dimension d(c) = 6 above which the critical exponents assume their mean-field values. Changing the lattice symmetry and allowing trees to be immune against fire, we show that the critical exponents are universal.

引用

页码：1009 / 1018

页数：10

共 50 条

[1] SELF-ORGANIZED CRITICAL FOREST-FIRE MODEL
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[J]. PHYSICAL REVIEW LETTERS, 1992, 69 (11) : 1629 - 1632
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