The core-level photoemission for the spin-degenerate single-impurity Anderson model is calculated taking into account the electrostatic interaction of the core hole with the conduction electrons. This interaction changes the spectrum qualitatively and reduces the hybridization between the valence level and the conduction band.

• Received 14 March 1990

DOI:https://doi.org/10.1103/PhysRevB.42.6378