Abstract
AbstractThe one‐body propagator for interacting systems with strongly correlated electrons is determined. The self‐energy functional is constructed from a GW approximation and a self‐consistent procedure is given for determining the electronic structure of the f systems (4f and 5f). The method is applied to the intermediate valence phase of SmS and to UAl2 which is a heavy fermion compound. The resulting electronic structure is compared with available experimental results. The obtained density of states presents reasonable agreement with these results.
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