Avalanches and self-organized criticality in simulations of particle piles

被引：0

作者：

Rives, C ^{[1
]}

Lacks, DJ ^{[1
]}

机构：

[1] Tulane Univ, Dept Chem Engn, New Orleans, LA 70118 USA

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 370卷 / 5-6期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0009-2614(03)00168-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Simulations are carried out for an athermal pile of particles in the presence of a gravity-like force. As the force increases, the pile structure rearranges through discrete avalanche events. The sizes of the avalanche events are characterized by the change in energy, and it is found that the avalanche size follows a power-law probability distribution with a power-law exponent of -0.96. These results suggest that the particle pile is in a self-organized critical state. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

收藏

页码：700 / 705

页数：6

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