Interplay between electron-phonon and Coulomb interactions in cuprates

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dc.creatorGunnarsson, O.
dc.creatorRösch, O.
dc.date2007-08-10
dc.date.accessioned2026-07-07T08:54:43Z
dc.date.available2026-07-07T08:54:43Z
dc.descriptionEvidence for strong electron-phonon coupling in high-Tc cuprates is reviewed, with emphasis on the electron and phonon spectral functions. Effects due to the interplay between the Coulomb and electron-phonon interactions are studied. For weakly doped cuprates, the phonon self-energy is strongly reduced due to correlation effects, while there is no corresponding strong reduction for the electron self-energy. Polaron formation is studied, focusing on effects of Coulomb interaction and antiferromagnetic correlations. It is argued that experimental indications of polaron formation in undoped cuprates are due to a strong electron-phonon interaction for these systems.
dc.description43 pages and 22 figures
dc.identifierhttps://arxiv.org/abs/0708.1407
dc.identifierhttp://arxiv.org/abs/0708.1407
dc.identifierJ. Phys.: Condens. Matter 20, 043201 (2008)
dc.identifierdoi:10.1088/0953-8984/20/04/043201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/146039
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleInterplay between electron-phonon and Coulomb interactions in cuprates
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