FRACTALS IN SURFACE GROWTH WITH POWER-LAW NOISE

被引：8
|
作者：
LAM, CH
SANDER, LM
机构：
[1] Randall Lab. of Phys., Michigan Univ., Ann Arbor, MI
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1992年 / 25卷 / 03期
关键词：
D O I：
10.1088/0305-4470/25/3/009
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a microscopic description of interface growth with power-law noise distribution in the form P(eta) approximately 1/eta(1+mu), which exhibits non-universal roughening. For the mu = d + 1 case in d + 1 dimensions, the existence of a fractal pattern in the bulk of the aggregate is explained, leading trivially to the proof of the identity alpha + z = 2 for the roughening and the dynamical scaling exponents alpha and z respectively. Investigations on the distribution of step sizes of the discretized interface and the saturated growth speed further support our arguments.
引用
收藏
页码：L135 / L140
页数：6
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