MULTIFRACTAL FEATURES OF RANDOM-WALKS ON RANDOM FRACTALS

被引：75

作者：

BUNDE, A ^{[1
]}

HAVLIN, S ^{[1
]}

ROMAN, HE ^{[1
]}

机构：

[1] NIH, DIV COMP RES & TECHNOL, BETHESDA, MD 20205 USA

来源：

PHYSICAL REVIEW A | 1990年 / 42卷 / 10期

关键词：

D O I：

10.1103/PhysRevA.42.6274

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We find that the fluctuations of the probability density P(r,t) of random walks on random fractals, for fixed distance r and time t, have a broad logarithmic distribution. The average moments Pq scale is a multifractal way, PqP(q), where (q)q, <1. The exponent characterizes the structural disorder in the fractal. In chemical l space, the distribution of P(l,t) is narrow and PqPq. © 1990 The American Physical Society.

引用

页码：6274 / 6277

页数：4

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