A mean-field, effective medium theory of random magnetic alloys. II. The random heisenberg model
A classical Heisen berg model is analysed. The interaction is of the RKKY type and only between sites randomly occupied by magnetic atoms. The possible phases are described at various temperatures and concentration of magnetic atoms. The procedure is realistic and not the ‘exactly’ solvable kind studied by earlier workers.
Volume 93 | Issue 6
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