Nonuniversal exponents in interface growth

被引：31

作者：

Newman, TJ

Swift, MR

机构：

[1] UNIV MANCHESTER, DEPT THEORET PHYS, MANCHESTER M13 9PL, LANCS, ENGLAND

[2] SCUOLA INT SUPER STUDI AVANZATI, I-34013 TRIESTE, ITALY

[3] SEZIONE INFM, I-34013 TRIESTE, ITALY

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.79.2261

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on an extensive numerical investigation of the Kardar-Parisi-Zhang equation describing nonequilibrium interfaces. Attention is paid to the dependence of the growth exponent beta on the details of the distribution of noise p(xi). All distributions considered are delta correlated in space and time, and have finite cumulants. We find that beta becomes progressively more sensitive to details of the distribution with increasing dimensionality. We discuss the implications of these results for the universality hypothesis.

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页码：2261 / 2264

页数：4

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