Bethe equations for generalized Hubbard models
arXiv:0906.4512 · doi:10.1088/1126-6708/2009/09/055
Abstract
We compute the eigenfunctions, energies and Bethe equations for a class of generalized integrable Hubbard models based on gl(n|m)\oplus gl(2) superalgebras. The Bethe equations appear to be similar to the Hubbard model ones, up to a phase due to the integration of a subset of `simple' Bethe equations. We discuss relations with AdS/CFT correspondence, and with condensed matter physics.
36 pages
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