Reexamination of d-wave superconductivity in the two-dimensional Hubbard model

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dc.creatorMorinari, Takao
dc.date2002-01-05
dc.date.accessioned2026-07-07T02:44:02Z
dc.date.available2026-07-07T02:44:02Z
dc.descriptionWe reexamine the possibility of d-wave superconductivity in the hole-doped two-dimensional Hubbard model. In terms of the gauge field description of the spin fluctuations, we show that d-wave superconductivity is unstable in the perturbative region with respect to the on-site Coulomb repulsion, U. Whereas in the region where d-wave superconductivity is possible, there is a strong constraint on the gap of superconductivity. Analysis of the localized spin moments suggests that there is another d-wave (d_{x^2-y^2}-wave) pairing due to the short-range antiferromagnetic correlation.
dc.description5 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0201058
dc.identifierhttp://arxiv.org/abs/cond-mat/0201058
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18748
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleReexamination of d-wave superconductivity in the two-dimensional Hubbard model
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