Flow-Equation method for a superconductor with magnetic correlations

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dc.creatorMoca, C. P.
dc.creatorCrisan, M.
dc.creatorTifrea, I.
dc.date1998-06-26
dc.date.accessioned2026-07-07T03:10:55Z
dc.date.available2026-07-07T03:10:55Z
dc.descriptionThe flow equation method has been used to calculate the energy of single impurity in a superconductor for the Anderson model with $U \neq 0$. We showed that the energy of the impurity depends only of the $Δ^{2}_{R}$ (renormalized order parameter) which depends on the renormalized Hubbard repulsion$U^R$. For a strong Hubbard repulsion $U^R = U$ and $Δ^R = Δ^I$ the effect of the $s-d$ interactions are nonrelevant, a result which is expected for this model.
dc.descriptionLatex file
dc.identifierhttps://arxiv.org/abs/cond-mat/9806326
dc.identifierhttp://arxiv.org/abs/cond-mat/9806326
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28388
dc.subjectCondensed Matter
dc.titleFlow-Equation method for a superconductor with magnetic correlations
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