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Phys Rev Lett. 2005 Feb 11;94(5):056404. Epub 2005 Feb 10.

Mott-Hubbard transition versus Anderson localization in correlated electron systems with disorder.

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Institute of Theoretical Physics, Warsaw University, ulica Hoza 69, PL-00-681 Warszawa, Poland.


The phase diagram of correlated, disordered electron systems is calculated within dynamical mean-field theory using the geometrically averaged ("typical") local density of states. Correlated metal, Mott insulator, and Anderson insulator phases, as well as coexistence and crossover regimes, are identified. The Mott and Anderson insulators are found to be continuously connected.

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