Directed surfaces in disordered media

被引：19

作者：

Barabasi, AL ^{[1
]}

Grinstein, G ^{[1
]}

Munoz, MA ^{[1
]}

机构：

[1] IBM CORP,DIV RES,TJ WATSON RES CTR,YORKTOWN HTS,NY 10598

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.76.1481

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The critical exponents for a class of one-dimensional models of interface depinning in disordered media can be calculated through a mapping onto directed percolation. In higher dimensions these models give rise to directed surfaces, which do not belong to the directed percolation universality class. We formulate a scaling theory of directed surfaces, and calculate critical exponents numerically, using a cellular automaton that locates the directed surfaces without making reference to the dynamics of the underlying interface growth models.

引用

页码：1481 / 1484

页数：4

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