Phase diagrams of the Bose-Fermi-Hubbard model: Hubbard operator approach
The phase transitions in the Bose-Fermi-Hubbard model are investigated. The boson Green's function is calculated in the random phase approximation (RPA) and the formalism of the Hubbard operators is used. The regions of existence of the superfluid and Mott insulator phases are established and the (μ...
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| Principais autores: | , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Yukhnovskii Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine
2010-01-01
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| Serier: | Condensed Matter Physics |
| Fag: | |
| Online adgang: | http://dx.doi.org/10.5488/CMP.13.13003 |
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