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dc.contributor.authorGonzález Carmona, José-
dc.date.accessioned2016-11-25T09:05:42Z-
dc.date.available2016-11-25T09:05:42Z-
dc.date.issued2003-02-27-
dc.identifierdoi: 10.1103/PhysRevB.67.054510-
dc.identifierissn: 0163-1829-
dc.identifier.citationPhysical Review B 67: 545101-5451011 (2003)-
dc.identifier.urihttp://hdl.handle.net/10261/140750-
dc.description11 págs.; 20 figs. ; PACS number (s): 74.20.Mn, 71.10.Hf-
dc.description.abstractWe study the corrections to the Fermi energy induced by the interactions in a two-dimensional electron system, showing that it is attracted towards the Van Hove singularity for a certain range of doping levels. The scaling of the Fermi level allows to cure the infrared singularities left in the BCS channel after renormalization of the leading logarithm near the divergent density of states. A phase of d-wave superconductivity arises beyond the point of optimal doping corresponding to the peak of the superconducting instability. For lower doping levels, the condensation of particle-hole pairs due to the nesting of the saddle-points takes over, leading to the opening of a gap for quasiparticles in the neighborhood of the singular points. ©2003 American Physical Society-
dc.description.sponsorshipThis work has been partly supported by CICyT (Spain) and CAM (Madrid, Spain) through Grants Nos. PB96/0875 and 07N/0045/98.-
dc.publisherAmerican Physical Society-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleSuperconducting and pseudogap phases from scaling near a Van Hove singularity-
dc.typeartículo-
dc.identifier.doi10.1103/PhysRevB.67.054510-
dc.relation.publisherversionhttps://doi.org/10.1103/PhysRevB.67.054510-
dc.date.updated2016-11-25T09:05:42Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderComunidad de Madrid-
dc.contributor.funderComisión Interministerial de Ciencia y Tecnología, CICYT (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100007273es_ES
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