Quantitative Description of V2O3 by the Hubbard Model in Infinite Dimensions
Abstract
We show that the analytic single-particle density of states and the optical conductivity for the half-filled Hubbard model on the Bethe lattice in infinite dimensions describe quantitatively the behavior of the gap and the kinetic energy ratio of the correlated insulator V2O3. The form of the optical conductivity shows ω3/2 rising and is quite similar to the experimental data, and the density of states shows ω1/2 behavior near the band edges.
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