Metal--Insulator Transitions in the Falicov--Kimball Model with Disorder

Details Metal--Insulator Transitions in the Falicov--Kimball Model with Disorder Metal--Insulator Transitions in the Falicov--Kimball Model with Disorder

2004-12-21

arxiv.org/abs/cond-mat/0412590v1

Phys. Rev. B 71, 205105 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, 7 figures

Scientific paper

10.1103/PhysRevB.71.205105

The ground state phase diagrams of the Falicov--Kimball model with local disorder is derived within the dynamical mean--field theory and using the geometrically averaged (''typical'') local density of states. Correlated metal, Mott insulator and Anderson insulator phases are identified. The metal--insulator transitions are found to be continuous. The interaction and disorder compete with each other stabilizing the metallic phase against occurring one of the insulators. The Mott and Anderson insulators are found to be continuously connected.

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