First order metal-insulator transision in band overlap mechanism

dc.creatorKotani, Takao
dc.creatorSakuma, Rei
dc.date2008-09-23
dc.date.accessioned2026-07-07T10:04:37Z
dc.date.available2026-07-07T10:04:37Z
dc.descriptionWe present a method to analyze the metal-insulator transition (MIT) due to the band overlap mechanism. It is based on a model with the knowledge of the homogeneous electron gas, combined with results based on the quasiparticle self-consistent $GW$ method. Because of the long-range nature of the Coulomb interaction, the MIT occurs as the first-order phase transition, that is, the band gap becomes negative (band overlap) suddenly at some critical lattice constant.
dc.identifierhttps://arxiv.org/abs/0809.3851
dc.identifierhttp://arxiv.org/abs/0809.3851
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/169744
dc.subjectMaterials Science
dc.titleFirst order metal-insulator transision in band overlap mechanism
dc.typetext

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