Journal Article

PreJuSER-46228

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Coulomb correlations and orbital polarization in the metal-insulator transition of VO2

Liebsch, A.FZJ* ; Ishida, H. ; Bihlmayer, G.FZJ*

2005
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/1411  doi:10.1103/PhysRevB.71.085109

Abstract: The quasiparticle spectra in the metallic rutile and insulating monoclinic phases Of VO2 are shown to be dominated by local Coulomb interactions. In the rutile phase the small orbital polarization among V 3d t(2g) states leads to weak static but strong dynamical correlations. In the monoclinic phase the large 3d orbital polarization caused by the V-V Peierls distortion gives rise to strong static correlations which are shown to be the primary cause of the insulating behavior.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Theorie I (IFF-TH-I)

Research Program(s):

1. Kondensierte Materie (M02)

Appears in the scientific report 2005
Notes: This version is available at the following Publisher URL: http://prb.aps.org

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