Mean-field theory of sandpiles

被引：12
|
作者：
Vergeles, M
Maritan, A
Banavar, JR
机构：
[1] PENN STATE UNIV,CTR PHYS MAT,UNIVERSITY PK,PA 16802
[2] SISSA,SCH ADV INT STUDIES,I-34014 TRIESTE,ITALY
来源：
PHYSICAL REVIEW E | 1997年 / 55卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.55.1998
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 propose a mean-field theory of sandpiles with dissipation introduced in a clear and physical way. We obtain all exponents for our model by constructing a master equation and mapping the model into a branching process. Two of the exponents are found to depend on a parameter relating the rate of dissipation to that of the addition of sand grains to the system, whereas the others are universal.
引用
收藏
页码：1998 / 2000
页数：3
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