Some Properties of the Spin-Polarized Attractive Hubbard Model

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dc.creatorKujawa, Agnieszka
dc.creatorMicnas, Roman
dc.date2008-09-08
dc.date2009-02-24
dc.date.accessioned2026-07-07T12:45:49Z
dc.date.available2026-07-07T12:45:49Z
dc.descriptionThe influence of a Zeeman magnetic field on the superconducting characteristics of the attractive Hubbard model was investigated. The ground state and temperature phase diagrams were obtained for a fixed number of particles. Two critical magnetic fields were found for the first order phase transition from the superconducting to the normal state for $n\neq 1$. For some range of parameters a reentrant transition was found and gapless superconductivity was obtained. The significance of the Hartree term was also analyzed.
dc.descriptionMinor changes. 5 pages, 2 figures, presented at The European Conference Physics of Magnetism 2008, June 24-27, Poznan, Poland
dc.identifierhttps://arxiv.org/abs/0809.1420
dc.identifierhttp://arxiv.org/abs/0809.1420
dc.identifierActa Physica Polonica A, Vol. 115 (2009), No. 1, 138-140
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/221179
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleSome Properties of the Spin-Polarized Attractive Hubbard Model
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