On Quantum Groups in the Hubbard Model with Phonons

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dc.creatorCerchiai, Bianca L.
dc.creatorSchupp, Peter
dc.date1995-10-13
dc.date.accessioned2026-07-07T10:57:50Z
dc.date.available2026-07-07T10:57:50Z
dc.descriptionThe correct Hamiltonian for an extended Hubbard model with quantum group symmetry as introduced by A. Montorsi and M. Rasetti is derived for a D-dimensional lattice. It is shown that the superconducting SUq(2) holds as a true quantum symmetry only for D = 1 and that terms of higher order in the fermionic operators in addition to phonons are required for a quantum symmetric hamiltonian. The condition for quantum symmetry is "half filling" and there is no local electron-phonon coupling. A discussion of Quantum symmetries in general is given in a formalism that should be readily accessible to non Hopf-algebraists.
dc.descriptionlatex, 17 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/9510074
dc.identifierhttp://arxiv.org/abs/cond-mat/9510074
dc.identifierJ.Phys.A29:845-858,1996
dc.identifierdoi:10.1088/0305-4470/29/4/012
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/186896
dc.subjectCondensed Matter
dc.subjectHigh Energy Physics - Theory
dc.subjectQuantum Algebra
dc.titleOn Quantum Groups in the Hubbard Model with Phonons
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