Exact Insulating and Conducting Ground States of a Periodic Anderson Model in Three Dimensions

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dc.creatorGulacsi, Zsolt
dc.creatorVollhardt, Dieter
dc.date2003-02-11
dc.date.accessioned2026-07-07T02:49:38Z
dc.date.available2026-07-07T02:49:38Z
dc.descriptionWe present a class of exact ground states of a three-dimensional periodic Anderson model at 3/4 filling. Hopping and hybridization of d and f electrons extend over the unit cell of a general Bravais lattice. Employing novel composite operators combined with 55 matching conditions the Hamiltonian is cast into positive semidefinite form. A product wave function in position space allows one to identify stability regions of an insulating and a conducting ground state. The metallic phase is a non-Fermi liquid with one dispersing and one flat band.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0302206
dc.identifierhttp://arxiv.org/abs/cond-mat/0302206
dc.identifierPhys. Rev. Lett. 91, 186401 (2003)
dc.identifierdoi:10.1103/PhysRevLett.91.186401
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20872
dc.subjectStrongly Correlated Electrons
dc.titleExact Insulating and Conducting Ground States of a Periodic Anderson Model in Three Dimensions
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