The dynamics of sandpiles with a sheared flow

被引：21

作者：

Newman, DE ^{[1
]}

Carreras, BA ^{[1
]}

Diamond, PH ^{[1
]}

机构：

[1] UNIV CALIF SAN DIEGO,LA JOLLA,CA 92093

来源：

PHYSICS LETTERS A | 1996年 / 218卷 / 1-2期

关键词：

D O I：

10.1016/0375-9601(96)00359-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Sheared wind on a sandpile model produces a decorrelation of transport events and eliminates events with scale lengths on the order of the box size. The effective diffusion coefficient changes its asymptotic behavior from D-eff alpha x(alpha), with alpha close to 1, to D-eff alpha x(0). These asymptotic limits are consistent with analytical calculations based on the Burgers equation and have implications for SOC theory as a paradigm for turbulent transport.

引用

页码：58 / 63

页数：6

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