Effect of coulomb long range interactions on the Mott transition
R. Chitra, G. Kotliar
Abstract
We reconsider the Mott transition problem in the presence of long range Coulomb interactions. Using an extended DMFT, that sums an important class of diagrams absent in ordinary DMFT, we show that in the presence of Coulomb the Mott transition in two and three dimensions is discontinuous as envisioned by Mott.
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