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Type: Artigo de periódico
Title: Critical Temperature And Superconducting Gap In A Model Of High-tc Superconductivity
Author: Balseiro C.A.
Foglio M.E.
Abstract: A pairing mechanism in which attractive intersite interaction arises from the highly correlated electronic structure of the superconducting ceramics has been recently proposed by Balseiro and collaborators. This model is studied here in the limit of infinite Coulomb repulsion (i.e., A) by employing standard decoupling techniques of the relevant Green's functions. We derive the critical temperature Tc and the superconducting gap Eg as a function of the relevant parameters of the model. The ratio Eg/Tc obtained is not a constant and is different from the universal value of BCS superconductivity. © 1989 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.40.9288
Date Issue: 1989
Appears in Collections:Unicamp - Artigos e Outros Documentos

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