Anderson localization on Falicov-Kimball model with next-nearest-neighbor hopping and long-range correlated disorder

Details Anderson localization on Falicov-Kimball model with next-nearest-neighbor hopping and long-range correlated disorder Anderson localization on Falicov-Kimball model with next-nearest-neighbor hopping and long-range correlated disorder

2008-02-19

arxiv.org/abs/0802.2627v1

Physics

Condensed Matter

Strongly Correlated Electrons

9 figures. submitted to PRB

Scientific paper

10.1103/PhysRevB.77.245126

The phase diagram of correlated, disordered electron systems is calculated within dynamical mean-field theory for the Anderson-Falicov-Kimball model with nearest-neighbors and next-nearest-neighbors hopping. The half-filled band is analyzed in terms of the chemical potential of the system using the geometric and arithmetic averages. We also introduce the on-site energies exhibiting a long-range correlated disorder, which generates a system with similar characteristics as the one created by a random independent variable distribution. A decrease in the correlated disorder reduces the extended phase.

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