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cond-mat1995
The Local Impurity Self Consistent Approximation (LISA) to Strongly Correlated Fermion Systems and the Limit of Infinite Dimensions
A. Georges, G. Kotliar, W. Krauth +1
We review the dynamical mean-field theory of strongly correlated fermion systems which is based on a mapping of lattice models onto quantum impurity models subject to a self-consis…
cond-mat1993
Exact Diagonalization Approach for the infinite D Hubbard Model
Michel Caffarel, Werner Krauth
We present a powerful method for calculating the thermodynamic properties of the Hubbard model in infinite dimensions, using an exact diagonalization of an Anderson model with a fi…
cond-mat1993
Superconductivity in the Two-Band Hubbard Model in Infinite D: an Exact Diagonalization Study
Werner Krauth, Michel Caffarel
We apply an exact diagonalization method to the the infinite-D two-band Hubbard model. The method is essentially exact for the calculation of thermodynamic properties for all but t…