Exact solution of a Four-Site d-Electron Problem: The nickel-metal photoemission spectrum

R. H. Victora, L. M. Falicov

Research output: Contribution to journalArticlepeer-review

90 Scopus citations

Abstract

Exact calculated results for the nickel density of electron states, as would be measured in valence-band photoemission, are presented. A realistic local-density-approximation one-electron structure, sampled at four wave vectors, and an intrasite electron-electron interaction of full generality are used. This new approach to the Ni photoemission problem yields accurately the experimental bandwidth, exchange splitting, satellite position, and relative intensities. Physical conclusions about the true Ni many-body states are drawn.

Original languageEnglish (US)
Pages (from-to)1140-1143
Number of pages4
JournalPhysical Review Letters
Volume55
Issue number10
DOIs
StatePublished - Jan 1 1985

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