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The Hubbard model on a complete graph: exact analytical results |
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| Authors: | Mario Salerno |
| Affiliation: | (1) Istituto Nazionale per la Fisica della Materia and Department of Theoretical Physics, University of Salerno, I-84100 Salerno, Italy |
| Abstract: | We derive the analytical expression of the ground state of the Hubbard model with unconstrained hopping at half filling and for arbitrary lattice sites. |
| Keywords: | 03.65.Ge 03.70.+k 11.10.Lm |
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