DYNAMICAL MEAN-FIELD THEORYFOR CORRELATED LATTICE FERMIONS

摘要

Dynamical mean-field theory (DMFT) is a successful method to investigate in-teracting lattice fermions. In these lecture notes we present an introduction intothe DMFT for lattice fermions with interaction, disorder and external inhomo-geneous potentials. This formulation is applicable to electrons in solids andto cold fermionic atoms in optical lattices. We review here our investigationsof the Mott-Hubbard and Anderson metal-insulator transitions in correlated,disordered systems by presenting selected surprising results.