Orbital Order Instability and Orbital Excitations in Degenerate Itinerant Electron Systems

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dc.creatorLu, Feng
dc.creatorChen, Dong-meng
dc.creatorZou, Liang-Jian
dc.date2006-05-15
dc.date.accessioned2026-07-07T07:08:57Z
dc.date.available2026-07-07T07:08:57Z
dc.descriptionWe present the theory of orbital ordering in orbital-degenerate itinerant electron systems. After proposing the criterion of instability for orbital ordering or orbital density wave ordering, we find that the orbital and the spin-orbital collective excitation spectra in ferro-orbital ordered phase exhibit finite gaps. The anomalous electronic energy spectra manifested in the angle-resolved photoemission spectroscopy (ARPES) and the orbital occupation in the resonant X-ray scattering (RXS) intensities are also presented for the orbital-ordered phase.
dc.description5 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0605379
dc.identifierhttp://arxiv.org/abs/cond-mat/0605379
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/110894
dc.subjectMaterials Science
dc.subjectStrongly Correlated Electrons
dc.titleOrbital Order Instability and Orbital Excitations in Degenerate Itinerant Electron Systems
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