Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-02-15
Physics
Condensed Matter
Strongly Correlated Electrons
6 pages, 6 figures: Phys. Rev. B 76, 035111 (2007)
Scientific paper
10.1103/PhysRevB.76.035111
The phase diagram of correlated, disordered electron systems is calculated within dynamical mean-field theory using the H\"older mean local density of states. A critical disorder strength is determined in the Anderson-Falicov-Kimball model and the arithmetically and the geometrically averages are found to be just particular means used respectively to detect or not the Anderson localization. Correlated metal, Mott insulator and Anderson insulator phases, as well as coexistence and crossover regimes are analyzed in this new perspective.
Herrmann Hans Jürgen
Maionchi Daniela de O.
Souza Andre M. C.
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