Non-local coherent screening in the bandwidth controlled Ca1-xSrxVO3 series

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dc.creatorMossanek, R. J. O.
dc.creatorAbbate, M.
dc.creatorFujimori, A.
dc.date2006-06-09
dc.date.accessioned2026-07-07T07:12:34Z
dc.date.available2026-07-07T07:12:34Z
dc.descriptionWe studied the electronic structure of the Ca1-xSrxVO3 series using a cluster model. Both the coherent and incoherent structures in photoemission correspond to well screened states. The coherent structure (3d1/u(C)) is mostly due to a non-local coherent screening, whereas the incoherent feature (3d1/u(L)) is mainly related to the ligand screening. The poorly screened state (3d0) forms the lower Hubbard band and appears deeper in energy. The increased distortion in the series decrease the V-O-V angle and thus the non-local transfer integral T*. This produces the observed transfer of spectral weight from the coherent to the incoherent structure. A further decrease of T* would eventually induce a bandwidth controlled metal-insulator transition.
dc.identifierhttps://arxiv.org/abs/cond-mat/0606253
dc.identifierhttp://arxiv.org/abs/cond-mat/0606253
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112119
dc.subjectStrongly Correlated Electrons
dc.titleNon-local coherent screening in the bandwidth controlled Ca1-xSrxVO3 series
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