Universality class for a one-dimensional evolution model

被引：1
|
作者：
Anton, L [1 ]
机构：
[1] SCUOLA INT SUPER STUDI AVANZATI, SISSA, INST NAZL FIS MAT, I-34013 TRIESTE, ITALY
来源：
PHYSICAL REVIEW E | 1997年 / 56卷 / 03期
关键词：
D O I：
10.1103/PhysRevE.56.2676
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 present numerical evidence that avalanche dynamics in the evolution model has the same universality class as the diffusion equation partial derivative(t)p = x(-alpha)partial derivative(xx)p + upsilon x(-alpha-1)partial derivative(x)p. Numerically we measure the exponent alpha and the drift upsilon and, using the relations provided by the theory of the diffusion equation, we compute the avalanche critical exponent tau and the mass dimension exponent D. The computed values agree; with the previous numerical results.
引用
收藏
页码：2676 / 2679
页数：4
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