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Correlation effects in the low-energy region of nickel photoemission spectra
Auteur(s)
Manghi, F.
Bellini, V.
Osterwalder, J.
Kreutz, T. J.
Aebi, Philipp
Arcangeli, C.
Date de parution
1999
In
Physical Review B, American Physical Society (APS), 1999/59/16/R0409-R10412
Résumé
The role of on-site correlation in the low-energy excitations of nickel is studied by comparing the results of high-angular and high-energy resolution photoemission spectroscopy with quasiparticle states calculated as a three-body scattering solution of a multiorbital Hubbard model. It is found that correlation effects modify the energy dispersion and spin polarization of electron states and are essential in order to get a quantitative agreement with experimental data.
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Type de publication
Resource Types::text::journal::journal article
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