Approximation to the susceptibilities of three-dimensional antiferromagnets |
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| Authors: | K. Katsumata T. Tonegawa |
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| Affiliation: | Research Institute of Applied Electricity, Hokkaido University, Sapporo 060, Japan;Department of Physics, Faculty of Science, Kobe University, Rokkodai, Kobe 657, Japan |
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| Abstract: | Approximate susceptibilities of simple cubic S=∞ Heisenberg and Ising antiferromagnets are calculated by using the new expansion method reported previously for the case of a square-plane S=∞ Heisenberg antiferromagnet. The present method gives a good approximation to the susceptibilities of both of the Heisenberg and Ising antiferromagnets above the Néel temperature. |
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