DYNAMIC RENORMALIZATION-GROUP APPROACH TO SELF-ORGANIZED CRITICAL PHENOMENA

被引：53

作者：

DIAZGUILERA, A

机构：

[1] Departament de Física Fonamental, Universítat de Barcelona Diagonal 647, Barcelona

来源：

EUROPHYSICS LETTERS | 1994年 / 26卷 / 03期

关键词：

D O I：

10.1209/0295-5075/26/3/004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Two different models exhibiting self-organized criticality are analysed by means of the dynamic renormalization group. Although the two models differ by their behaviour under a parity transformation of the order parameter, it is shown that they both belong to the same universality class, in agreement with computer simulations. The asymptotic values of the critical exponents are estimated up to one-loop order from a systematic expansion of a non-linear equation in the number of coupling constants.

引用

页码：177 / 182

页数：6

共 11 条

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