An Influence of Intra-Atomic Coulomb Interaction on Band Type of Jahn-Teller Effect in V<SUB>3</SUB>Si

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Abstract

The reexists the model proposed by Labbé and Friedel to explain the structural transformation in V3Si. In their model, it is assumed that the electronic states in the three kinds of vanadium linear chains can be expressed as the tight-binding bands. An influence of the coulomb interaction between the electrons on this model is investigated with the aid of the Hubbard model. It is deduced that the magnitude of the coulomb interaction in the system described by Labbé and Friedel’s model is considered to be small within the framework of Kanamori’s approximation.

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