Electronic structure of A-type antiferomagnetic LaMnO_3 by GW approximation

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dc.creatorNohara, Y.
dc.creatorYamasaki, A.
dc.creatorKobayashi, S.
dc.creatorFujiwara, T.
dc.date2005-08-31
dc.date.accessioned2026-07-07T03:06:28Z
dc.date.available2026-07-07T03:06:28Z
dc.descriptionThe electronic structure of the A-type antiferromagnetic insulator LaMnO3 is investigated by the GW approximation. The band gap and spectrum are in a good agreement with experimental observation. The on-site/off-site dynamical screened Coulomb interaction on Mn sites is also calculated. Comparison with the results by the Hartree-Fock and the static COHSEX approximations is discussed in detail. The dynamical screening effect is important for the band gap and widths.
dc.description4 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0508751
dc.identifierhttp://arxiv.org/abs/cond-mat/0508751
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26819
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleElectronic structure of A-type antiferomagnetic LaMnO_3 by GW approximation
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