Comparison of approximate methods for the study of antiferromagnetism in the fcc lattice

J. M. Sanchez, D. de Fontaine, and W. Teitler
Phys. Rev. B 26, 1465 – Published 1 August 1982
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Abstract

The study of antiferromagnetism in the fcc lattice by means of different approximate methods has resulted in varied and not always consistent results. An improved approximation of the cluster-variation method is used here to calculate the phase diagram of a model fcc system with nearest-neighbor antiferromagnetic interactions. Comparison with recent Monte Carlo simulations indicates that, despite some discrepancies near the triple-point region, the cluster-variation method provides a convenient technique for the study of phase equilibria in three-dimensional systems.

  • Received 26 April 1982

DOI:https://doi.org/10.1103/PhysRevB.26.1465

©1982 American Physical Society

Authors & Affiliations

J. M. Sanchez

  • Henry Krumb School of Mines, Columbia University, New York, New York 10027

D. de Fontaine and W. Teitler

  • Department of Materials Science and Mineral Engineering, University of California, Berkeley, California 94720

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Issue

Vol. 26, Iss. 3 — 1 August 1982

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