It is shown that the main features of chromium silicide photoemission spectra, unexplained by single-particle theory, can be understood quantitatively by the inclusion of Coulomb correlation effects. Our results provide the first direct evidence of the importance of correlation in metallic Cr compounds.
Coulomb correlation in Chromium compounds / CALANDRA BUONAURA, Carlo; Bisi, Olmes. - In: PHYSICAL REVIEW. B, CONDENSED MATTER. - ISSN 0163-1829. - STAMPA. - 31:(1985), pp. 8288-8290.