Many body effects on $c$- axis properties: out of plane coherence and bilayer splitting

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dc.creatorGuinea, F.
dc.creatorLopez-Sancho, M. P.
dc.creatorVozmediano, M. A. H.
dc.date2004-08-03
dc.date.accessioned2026-07-07T02:59:34Z
dc.date.available2026-07-07T02:59:34Z
dc.descriptionThe out-of-plane hopping in layered metals with strong electronic correlation is analyzed theoretically. By studying the effects of in-plane interactions on the interlayer tunnelling we investigate one of the oldest unresolved problems of high-T$_c$ cuprates, the so-called bilayer splitting. The strong electron-electron interactions within each layer reduce the quasiparticle weight, and modify the hopping between layers. We analyze the effect of the in-plane correlations on the interlayer hopping using a Renormalization Group scheme already applied to the problem of interlayer coherence . The bilayer band splitting acquires a significant temperature and doping dependence, and can be completely suppressed when the Fermi energy coincides with a Van Hove singularity.
dc.descriptioncontrbution submitted to SNS04
dc.identifierhttps://arxiv.org/abs/cond-mat/0408062
dc.identifierhttp://arxiv.org/abs/cond-mat/0408062
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24559
dc.subjectSuperconductivity
dc.subjectMaterials Science
dc.titleMany body effects on $c$- axis properties: out of plane coherence and bilayer splitting
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