RANDOM WALKER AND THE TELEGRAPHERS EQUATION - A PARADIGM OF A GENERALIZED HYDRODYNAMICS

被引：34
|
作者：
ROSENAU, P [1 ]
机构：
[1] LOS ALAMOS NATL LAB,CTR NONLINEAR STUDIES,MS-B258,LOS ALAMOS,NM 87545
来源：
PHYSICAL REVIEW E | 1993年 / 48卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.48.R655
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The telegrapher's equation (TE) is the continuum limit of a persisting random walker. We find that the TE reproduces the original spectrum almost exactly for all wavelengths-far beyond the validity of the expansion. This surprising property is used as a paradigm towards the derivation of a generalized hydrodynamics. Applications to other problems are explored.
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页码：R655 / R657
页数：3
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