TRANSPORT IN RANDOM CORRELATED FIELDS

被引：10

作者：

HAVLIN, S ^{[1
]}

机构：

[1] NIH,DCRT,PHYS SCI LAB,BETHESDA,MD 20892

来源：

JOURNAL OF STATISTICAL PHYSICS | 1990年 / 58卷 / 3-4期

关键词：

biased diffusion; Correlated fields; fractal; transport;

D O I：

10.1007/BF01112769

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A review is given of recent developments in the diffusion properties of particles in the presence of local random fields as well as the conductivity of the analog random resistor network. The effect of long-range ferro- and antiferro-type correlations between the local fields on the diffusion and conductivity properties is considered. A physical realization for such spatial correlations is diffusion on linear polymers in the presence of external uniform bias field. For this case a universal diffusion law was found independent of the fractal dimension of the polymer chain or the Euclidean dimension in which the polymer is embedded. Recent results for diffusion in two dimensions in the presence of a special case of correlated local fields are also reviewed. © 1990 Plenum Publishing Corporation.

引用

页码：653 / 668

页数：16

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