Atomic correlations in itinerant ferromagnets: quasi-particle bands of nickel

Details Atomic correlations in itinerant ferromagnets: quasi-particle bands of nickel Atomic correlations in itinerant ferromagnets: quasi-particle bands of nickel

2002-04-05

arxiv.org/abs/cond-mat/0204142v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 page REVTeX 4.0, one figure, one table

Scientific paper

10.1209/epl/i2003-00128-3

We measure the band structure of nickel along various high-symmetry lines of the bulk Brillouin zone with angle-resolved photoelectron spectroscopy. The Gutzwiller theory for a nine-band Hubbard model whose tight-binding parameters are obtained from non-magnetic density-functional theory resolves most of the long-standing discrepancies between experiment and theory on nickel. Thereby we support the view of itinerant ferromagnetism as induced by atomic correlations.

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