Hartree-Fock description of spin systems
A mean-field treatment of a general spin Hamiltonian containing linear and quadratic terms is presented. The equivalence between atomic coherent states and Hartree-Fock states is explicitly demonstrated. The relevance of symmetry restoration is exhibited. Entanglement properties at the different pha...
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| Udgivet i: | Revista Mexicana de Física |
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| Principais autores: | , , , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Sociedad Mexicana de Física A.C.
2007
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| Fag: | |
| Online adgang: | https://www.redalyc.org/articulo.oa?id=57028300008 |
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