Self-organized criticality, long-time correlations, and the standard transport paradigm

被引：30
|
作者：
Krommes, JA [1 ]
机构：
[1] Princeton Univ, Princeton, NJ 08543 USA
来源：
PHYSICS OF PLASMAS | 2000年 / 7卷 / 05期
关键词：
D O I：
10.1063/1.873995
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：
Some aspects of low-frequency, long-wavelength fluctuations are considered. A stochastic model is used to show that power-law time correlations need not arise from self-organized criticality. A formula for the frequency spectrum of uncorrelated, overlapping avalanches is shown to be a special case of the spectral balance equation of renormalized statistical turbulence theory. It is argued that there need be no contradiction between the presence of long-time correlations and the existence of local transport coefficients. (C) 2000 American Institute of Physics. [S1070-664X(00)92605-3].
引用
收藏
页码：1752 / 1758
页数：7
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