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Anderson localisation on the Falicov-Kimball model with Coulomb disorder

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  • Rubens D.B. Carvalho
  • Guilherme M.A. Almeida
  • Andre M.C. Souza

Abstract

The role of Coulomb disorder is analysed in the Anderson-Falicov-Kimball model. Phase diagrams are obtained by means of dynamical mean-field theory applied to the Bethe lattice, in which metal-insulator transitions driven by Anderson and Coulomb disorder can be identified. Metallic, Mott insulator, and Anderson insulator phases, as well as the crossover between them are studied in this framework. We show that Coulomb disorder has a relevant role in the phase-transition behaviour as the system is led towards the insulator regime. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Suggested Citation

  • Rubens D.B. Carvalho & Guilherme M.A. Almeida & Andre M.C. Souza, 2014. "Anderson localisation on the Falicov-Kimball model with Coulomb disorder," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 87(7), pages 1-6, July.
    • Handle: RePEc:spr:eurphb:v:87:y:2014:i:7:p:1-6:10.1140/epjb/e2014-50221-3
    DOI: 10.1140/epjb/e2014-50221-3
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    Solid State and Materials;

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