Abstract
Random walks in disordered media with dipole-dipole transition rates are considered. The long-time asymptotics of the process are investigated on the basis of a new numerical simulation method, which includes periodic continuation of the system without periodic continuation of the initial condition. It is shown that the long-time asymptotics have a diffusive character. The concentration dependence of the diffusion coefficient for simple cubic and face-centered cubic lattices is studied.
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Zh. Éksp. Teor. Fiz. 114, 2166–2181 (December 1998)
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Dzheparov, F.S., L’vov, D.V. & Shestopal, V.E. Diffusion in a system of impurity centers with dipole-dipole hopping rates. J. Exp. Theor. Phys. 87, 1179–1187 (1998). https://doi.org/10.1134/1.558609
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DOI: https://doi.org/10.1134/1.558609