Classical and thermodynamic limits for generalised quantum spin systems |
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| Authors: | N. G. Duffield |
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| Affiliation: | (1) Sonderforschungsbereich 12, Universität Heidelberg, Im Neuenheimer Feld 294, D-6900 Heidelberg, Federal Republic of Germany;(2) Present address: Dublin Institute for Advanced Studies, 10 Burlington Road, Dublin 4, Ireland |
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| Abstract: | ![]()
We prove that the rescaled upper and lower symbols for arbitrary generalised quantum spin systems converge in the classical limit. For a large class of models this enables us to derive the asyptotics of quantum free energies in the classical and in the thermodynamic limit.Research supported by a European Science Exchange Fellowship of the Royal Society, London |
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