First-principles approach to the electronic structure of strongly correlated systems:: Combining the GW approximation and dynamical mean-field theory -: art. no. 086402

We propose a dynamical mean-field approach for calculating the electronic structure of strongly correlated materials from first principles. The scheme combines the GW method with dynamical mean-field theory, which enables one to treat strong interaction effects. It avoids the conceptual problems inherent to conventional LDA+DMFT, such as Hubbard interaction parameters and double-counting terms. We apply a simplified version of the approach to the electronic structure of nickel and find encouraging results.