Journal
EUROPHYSICS LETTERS
Volume 61, Issue 5, Pages 667-673Publisher
EDP SCIENCES S A
DOI: 10.1209/epl/i2003-00128-3
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The Gutzwiller theory is demonstrated to resolve most of the long-standing discrepancies between experiment and theory on the quasi-particle bands of ferromagnetic nickel. This is confirmed by new angle-resolved photoelectron spectroscopy data along various high-symmetry lines of the bulk Brillouin zone obtained under full control of the three-dimensional momentum. Our findings support he view of itinerant ferromagnetism as a consequence of atomic correlations.
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