Random walks and anomalous diffusion in two-component random media

A. E. Arinstein, M. Gitterman

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The diffusion process in a random media consisting of two different components is studied by a random walk model. The latter is described by three parameters, namely, the fraction p of components, the ratio h of the diffusion coefficients in two components, and the parameter x defining a walker’s jumps at the boundary. Depending on the values of these parameters the diffusion can be confined, normal, or anomalous (subdiffusion). The subdiffusion occurs, in particular, for h=0 (trapping model) and for x=0 (excluded volume model).

Original languageEnglish
Article number021104
JournalPhysical Review E
Issue number2
StatePublished - Aug 2005


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