Universality in sandpile models

被引：125

作者：

BenHur, A

Biham, O

机构：

[1] Racah Institute of Physics, The Hebrew University, Jerusalem

来源：

PHYSICAL REVIEW E | 1996年 / 53卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.53.R1317

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：

A classification of sandpile models into universality classes is presented. On the basis of extensive numerical simulations, in which we measure an extended set of exponents, the Mama two-state model [S. S. Mama, J. Phys. A. 24, L363 (1991)] is found to belong to a universality class of random neighbor models which is distinct from the universality class of the original model of Bak, Tang, and Wiesenfeld [P. Bak, C. Tang, and K. Wiesenfeld, Phys. Rev. Lett. 59, 381 (1987)]. Directed models are found to belong to a universality class which includes the directed model introduced and solved by Dhar and Ramaswamy [D. Dhar and R. Ramaswamy, Phys. Rev. Lett. 63, 1659 (1989)].

引用

页码：R1317 / R1320

页数：4

共 17 条

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