Hubbard Models with Superconducting Quantum Symmetry

Details Hubbard Models with Superconducting Quantum Symmetry Hubbard Models with Superconducting Quantum Symmetry

1997-01-16

arxiv.org/abs/cond-mat/9701111v1

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, latex, uses heron2e and times style files; talk at Group21, Goslar, July 1996

Scientific paper

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)

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