Spectral functions for strongly correlated 5f-electrons
arXiv:cond-mat/0609123 · doi:10.1103/PhysRevB.73.035121
Abstract
We calculate the spectral functions of model systems describing 5f-compounds adopting Cluster Perturbation Theory. The method allows for an accurate treatment of the short-range correlations. The calculated excitation spectra exhibit coherent 5f bands coexisting with features associated with local intra-atomic transitions. The findings provide a microscopic basis for partial localization. Results are presented for linear chains.
10 Pages