Diffusion Coefficients of Single and Many Particles in Lattices with Different Forms of Disorder

Details Diffusion Coefficients of Single and Many Particles in Lattices with Different Forms of Disorder Diffusion Coefficients of Single and Many Particles in Lattices with Different Forms of Disorder

1996-02-22

arxiv.org/abs/cond-mat/9602121v1

Physics

Condensed Matter

10 pages uuencoded latex, 5 embedded Postscript figures, to be published in the Proceedings of the International Seminar on Cu

Scientific paper

A survey is given on asymptotic diffusion coefficients of particles in lattices with random transition rates. Exact and approximate results for single particles are reviewed. A recent exact expression in $d = 1$ which includes occupation factors is discussed. The utilization of the result is demonstrated for the Miller-Abrahams model and a model of random barriers combined with random traps. Exact and approximate results for the site-exclusion model in disordered lattices are also given.

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