期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 311, 期 3-4, 页码 381-410出版社
ELSEVIER
DOI: 10.1016/S0378-4371(02)00805-1
关键词
diffusive transport; ballistic transport; optical imaging
A persistent random walk can be regarded as a multidimensional Markov process. The bias-free telegraphers equation is partial derivative(2)p/partial derivativet(2) + 1/T partial derivativep/partial derivativet = v(2)del(2)p. It can be regarded as interpolating between the wave equation (T --> infinity) and the diffusion equation (T --> 0). Previously, it has found application in thermodynamics (cf. the review in Rev. Mod. Phys. 61 (1989) 41; 62 (1990) 375). More recent applications are reviewed in the present article. (C) 2002 Elsevier Science B.V. All rights reserved.
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