ROUGHNESS AND NONLINEARITIES IN (2+1)-DIMENSIONAL GROWTH-MODELS WITH DIFFUSION

被引：46

作者：

KOTRLA, M

LEVI, AC

SMILAUER, P

机构：

[1] UNIV GENOA, DIPARTIMENTO FIS, I-16146 GENOA, ITALY

[2] CZECHOSLOVAK ACAD SCI, INST PHYS, CS-16200 PRAGUE 6, CZECHOSLOVAKIA

来源：

EUROPHYSICS LETTERS | 1992年 / 20卷 / 01期

关键词：

D O I：

10.1209/0295-5075/20/1/005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present results of numerical simulations of kinetic roughening for three variants of a growth model with surface diffusion in 2 + 1 dimensions. The variants differ by the rules of relaxation of a freshly arrived particle giving different effective roughness and dynamical exponents. In particular we have found that the model, studied by Wolf and Villain and by Das Sarma and Tamborenea in 1 + 1 dimensions, has in 2 + 1 dimensions exponents corresponding to a nonlinear differential equations.

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页码：25 / 30

页数：6

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