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Evolution of spectral functions in doped transition metal oxides

Kajueter, H and Kotliar, G and Sarma, DD and Barman, SR (1997) Evolution of spectral functions in doped transition metal oxides. In: International Journal Of Modern Physics B, 11 (32). pp. 3849-3857.

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We discuss the experimental photoemission and inverse photoemission of early transition metal oxides, in the light of the dynamical mean held theory of correlated electrons which becomes exact in the limit of infinite dimensions. We argue that a comprehensive description of the experimental data requires spatial inhomogeneities and present a calculation of the evolution of the spectral function in an inhomogenous system with various degrees of inhomogeneity. We also point out that comparaison of experimental results and large d calculations require that the degree of correlation and disorder is larger in the surface than in the bulk.

Item Type: Journal Article
Publication: International Journal Of Modern Physics B
Publisher: World Scientific Publishing Company
Additional Information: Copyright of this article belongs to World Scientific Publishing Company.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 17 Jul 2009 11:10
Last Modified: 17 Jul 2009 11:10
URI: http://eprints.iisc.ac.in/id/eprint/18957

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