Characteristic Energy of the Coulomb Interactions and the Pileup of States

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dc.creatorMazur, Daniel
dc.creatorGray, K. E.
dc.creatorZasadzinski, J. F.
dc.creatorOzyuzer, L.
dc.creatorBeloborodov, I. S.
dc.creatorZheng, H.
dc.creatorMitchell, J. F.
dc.date2007-08-07
dc.date.accessioned2026-07-07T09:24:43Z
dc.date.available2026-07-07T09:24:43Z
dc.descriptionTunneling data on $\mathrm{La_{1.28}Sr_{1.72}Mn_2O_7}$ crystals confirm Coulomb interaction effects through the $\sqrt{\mathrm{E}}$ dependence of the density of states. Importantly, the data and analysis at high energy, E, show a pileup of states: most of the states removed from near the Fermi level are found between ~40 and 130 meV, from which we infer the possibility of universal behavior. The agreement of our tunneling data with recent photoemission results further confirms our analysis.
dc.description4 pages, 4 figures, submitted to PRL
dc.identifierhttps://arxiv.org/abs/0708.0950
dc.identifierhttp://arxiv.org/abs/0708.0950
dc.identifierPhys. Rev. B 76, 193102 (2007)
dc.identifierdoi:10.1103/PhysRevB.76.193102
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/156164
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleCharacteristic Energy of the Coulomb Interactions and the Pileup of States
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