Effects of Core-Hole Screening on Spin-Polarised Auger Spectra from Ferromagnetic Nickel

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dc.creatorWegner, T.
dc.creatorPotthoff, M.
dc.creatorNolting, W.
dc.date1999-10-26
dc.date.accessioned2026-07-07T03:14:53Z
dc.date.available2026-07-07T03:14:53Z
dc.descriptionWe calculate the spin- and temperature-dependent local density of states for ferromagnetic Ni in the presence of a core hole at a distinguished site in the lattice. Correlations among the valence electrons and between valence and core electrons are described within a multi-band Hubbard model which is treated by means of second-order perturbation theory around the Hartree-Fock solution. The core-hole potential causes strong screening effects in the Ni valence band. The local magnetic moment is found to be decreased by a factor 5-6. The consequences for the spin polarisation of CVV Auger electrons are discussed.
dc.descriptionLaTeX, 4 pages, 1 eps figure included, Acta Physica Polonica A (in press), Physics of Magnetism '99 (Poznan, Poland)
dc.identifierhttps://arxiv.org/abs/cond-mat/9910423
dc.identifierhttp://arxiv.org/abs/cond-mat/9910423
dc.identifierActa Phys. Pol. A 97, 567 (2000)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29849
dc.subjectStrongly Correlated Electrons
dc.titleEffects of Core-Hole Screening on Spin-Polarised Auger Spectra from Ferromagnetic Nickel
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