Ordering of energy levels for extended Hubbard chain.
Hakobyan, Tigran (2010)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Hakobyan, Tigran (2010)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Bruno Nachtergaele (1998)
Banach Center Publications
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We review recent results on interface states in quantum statistical mechanics.
Dorlas, Teunis C., Skrypnik, Wolodymyr I. (2008)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Bianca Cerchiai, Peter Schupp (1997)
Banach Center Publications
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The Hamiltonian for an extended Hubbard model with phonons as introduced by A. Montorsi and M. Rasetti is considered on a D-dimensional lattice. The symmetries of the model are studied in various cases. It is shown that for a certain choice of the parameters a superconducting holds as a true quantum symmetry, but only for D=1.
Skrypnik, Wolodymyr (2006)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Kundu, Anjan (2007)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Horváthy, Peter A., Martina, Luigi, Stichel, Peter C. (2010)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Klink, William H. (2005)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Detlev Buchholz, Sergio Doplicher (1984)
Annales de l'I.H.P. Physique théorique
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Gavrilik, Alexandre M., Rebesh, Anastasiya P. (2007)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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