Tracer diffusion in lattices with double occupancy of sites

L. F. Perondi*, R. J. Elliott, R. A. Barrio, K. Kaski

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)


Comprehensive computer simulations of a tracer particle hopping in a lattice where the sites could be either empty or occupied by one or two background particles are performed using a standard Monte Carlo technique. The results for the diffusion coefficient are compared with those of a mean-field theory derived from a random-walk approach. The blocking effects due to dynamical background particles are obtained exactly. The correlation effects due to many-particle interactions are analyzed qualitatively. This kind of double-occupancy model can be applied to the study of ionic conduction in glasses.

Original languageEnglish
Pages (from-to)9868-9874
Number of pages7
JournalPhysical Review B
Issue number14
Publication statusPublished - 1994
MoE publication typeA1 Journal article-refereed

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