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On the equivalence of theKMS condition and the variational principle for quantum lattice systems |
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| Authors: | Huzihiro Araki |
| Affiliation: | 1. Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan |
| Abstract: | For quantum spin systems on a lattice of an arbitrary dimension, theKMS condition and the variational principle are shown to be equivalent at an arbitrary temperature for translationally invariant states. |
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