Orbital Insulators and Orbital Order-disorder Induced Metal-Insulator Transition in Transition-Metal Oxides

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dc.creatorChen, Dong-Meng
dc.creatorZou, Liang-Jian
dc.date2005-01-10
dc.date2007-09-25
dc.date.accessioned2026-07-07T08:31:52Z
dc.date.available2026-07-07T08:31:52Z
dc.descriptionThe role of orbital ordering on metal-insulator transition of transition-metal oxides is investigated by the cluster self-consistent field approach in the strong correlation regime. A clear dependence of the insulating gap on the orbital order parameter is found in the single-particle excitation spectra. The thermal fluctuation drives the orbital order-disorder transition, diminishes the gap and leads to the metal-insulator transition. The interplay between spins and orbits results in unusual temperature dependence of the orbital polarization in the orbital insulator, which can be seen in the resonant x-ray scattering intensity.
dc.descriptionPublished version
dc.identifierhttps://arxiv.org/abs/cond-mat/0501155
dc.identifierhttp://arxiv.org/abs/cond-mat/0501155
dc.identifierInt. J. Mod. Phys. B 21, 691 (2007)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/138630
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleOrbital Insulators and Orbital Order-disorder Induced Metal-Insulator Transition in Transition-Metal Oxides
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