Effective Hamiltonian for a Half-filled Hubbard Chain with Alternating On-site Interactions

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dc.creatorKakashvili, Paata
dc.creatorJaparidze, George I.
dc.date2004-05-04
dc.date.accessioned2026-07-07T02:57:58Z
dc.date.available2026-07-07T02:57:58Z
dc.descriptionWe derive an effective spin Hamiltonian for the one-dimensional half-filled Alternating Hubbard model in the limit of strong on-site repulsion. We show that the effective Hamiltonian is a spin $S=1/2$ Heisenberg chain with asymmetric next-nearest-neighbor (nnn) exchange.
dc.description8 pages, RevTeX4
dc.identifierhttps://arxiv.org/abs/cond-mat/0405048
dc.identifierhttp://arxiv.org/abs/cond-mat/0405048
dc.identifierJ. Phys.: Condens. Matter 16, 5815 (2004)
dc.identifierdoi:10.1088/0953-8984/16/32/017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23885
dc.subjectStrongly Correlated Electrons
dc.titleEffective Hamiltonian for a Half-filled Hubbard Chain with Alternating On-site Interactions
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