Exactly soluble magnetoelastic lattice with a magnetic phase transition |
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| Authors: | David J. Bergman Yoseph Imry Leon Gunther |
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| Affiliation: | (1) Department of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel;(2) Soreq Nuclear Research Center, Yavneh, Israel;(3) Physics Department, Tufts University, Medford, Massachusetts |
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| Abstract: | We examine the soluble magnetoelastic Ising model developed by Baker and Essam and give a detailed discussion of its thermodynamic properties. Particular attention is devoted to the properties of the magnetic phase transition at zero field, which is found to be either first order or second order, depending on whether the experiment is performed at negative or positive pressure.Part of this work was done while L. G. was visiting Tel Aviv University. Research supported by National Science Foundation Grant No. GP. 16025 to L. G. |
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| Keywords: | Magnetoelastic system phase transition renormalization of critical exponents Ising model statistical mechanics soluble models thermodynamics |
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