Correlated random walk in a multicomponent alloy self-consistent decoupling approximation
- 1 November 1986
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 54 (5) , 601-618
- https://doi.org/10.1080/01418618608244021
Abstract
A new self-consistent decoupling scheme is presented which extends the theory of Tahir Kheli and Elliott (1983) for tracer diffusion on lattices through the approximate solution of the many-body equations. The new scheme gives improved results for the case where the background is nearly static and is used to formulate a theory for multicomponent alloys. The results are the same as those conjectured by Tahir Kheli (1983 b) and tested by him against Monte Carlo simulation.Keywords
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