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Ground states of quantum spin systems |
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| Authors: | Ola Bratteli Akitaka Kishimoto Derek W Robinson |
| Institution: | (1) Centre de Physique Théorique II, CNRS, F-13288 Marseille Cedex 2, France;(2) Department of Mathematics, University of N.S.W., Sydney, Australia;(3) Present address: Department of Mathematics, University of Oslo, Blindern, Oslo 3, Norway;(4) Present address: Department of Mathematics, University of Ottawa, K1N 9B4, Ontario, Canada |
| Abstract: | We prove that ground states of quantum spin systems are characterized by a principle of minimum local energy and that translationally invariant ground states are characterized by the principle of minimum energy per unit volume. |
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