Schedule Nov 21, 2002
An ab initio approach to strongly correlated systems: combining the GW approximation with dynamical mean field theory
Silke Biermann, LPT-ENS
I will describe a novel approach to electronic structure calculations for strongly correlated materials. The method is based on a combination of the GW approximation and dynamical mean field theory. It allows to take into account long-range Coulomb interactions beyond "LDA+DMFT"-type methods and includes dynamical screening effects.
We discuss a simplified static approximation to the scheme and its application to ferromagnetic Nickel.

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