Optical sum in Nearly Antiferromagnetic Fermi Liquid Model

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dc.creatorSchachinger, E.
dc.creatorCarbotte, J. P.
dc.date2005-06-15
dc.date.accessioned2026-07-07T03:05:37Z
dc.date.available2026-07-07T03:05:37Z
dc.descriptionWe calculate the optical sum (OS) and the kinetic energy (KE) for a tight binding band in the Nearly Antiferromagnetic Fermi Liquid (NAFFL) model which has had some success in describing the electronic structure of the high $T_c$ cuprates. The interactions among electrons due to the exchange of spin fluctuations profoundly change the probability of occupation $(n_{{\bf k},σ})$ of states of momentum {\bf k} and spin $σ$ which is the central quantity in the calculations of OS and KE. Normal and superconducting states are considered as a function of temperature. Both integrals are found to depend importantly on interactions and an independent electron model is inadequate.
dc.description9 Pages, 5 Figures Accepted for publication in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/cond-mat/0506354
dc.identifierhttp://arxiv.org/abs/cond-mat/0506354
dc.identifierPhys. Rev. B 72, 014535 (2005)
dc.identifierdoi:10.1103/PhysRevB.72.014535
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26517
dc.subjectSuperconductivity
dc.titleOptical sum in Nearly Antiferromagnetic Fermi Liquid Model
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