Self-organized criticality in an interface-growth model with quenched randomness

被引:7
|
作者
Sakaguchi, Hidetsugu [1 ]
机构
[1] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Dept Appl Sci Elect & Mat, Fukuoka 8168580, Japan
来源
PHYSICAL REVIEW E | 2010年 / 82卷 / 03期
关键词
DYNAMICS;
D O I
10.1103/PhysRevE.82.032101
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 study a modified model of the Kardar-Paris-Zhang equation with quenched disorder, in which the driving force decreases as the interface rises up. A critical state is self-organized, and the anomalous scaling law with roughness exponent alpha similar to 0.63 is numerically obtained.
引用
收藏
页数:3
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