Hubbard Models with Superconducting Quantum Symmetry

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We discuss classical and quantum symmetries of extended Hubbard models. The quantum symmetries are shown to be related to the known superconducting SU(2) symmetry of the original Hubbard model at half filling via generalized Lang-Firsov transformations and Drinfel'd twists. (Based on talk at the 21st ICGTM in Goslar, July 1996)
6 pages, latex, uses heron2e and times style files; talk at Group21, Goslar, July 1996

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Strongly Correlated Electrons, High Energy Physics - Theory, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/151686

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9701111
 http://arxiv.org/abs/cond-mat/9701111

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arXiv