Two Aspects of the Mott-Hubbard Transition in Cr-doped V2O3
Abstract
The combination of bandstructure theory in the local density approximation with dynamical mean field theory was recently successfully applied to V2O3 -- a material which undergoes the f amous Mott-Hubbard metal-insulator transition upon Cr doping. The aim of this sh ort paper is to emphasize two aspects of our recent results: (i) the filling of the Mott-Hubbard gap with increasing temperature, and (ii) the peculiarities of the Mott-Hubbard transition in this system which is not characterized by a diver gence of the effective mass for the a1g-orbital.
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