Effects of electronic correlation on x-ray absorption and dichroic spectra at L-2,(3) edge (Articolo in rivista)

Type
Label
  • Effects of electronic correlation on x-ray absorption and dichroic spectra at L-2,(3) edge (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/23/21/215601 (literal)
Alternative label
  • Pardini, L.; Bellini, V.; Manghi, F. (2011)
    Effects of electronic correlation on x-ray absorption and dichroic spectra at L-2,(3) edge
    in Journal of physics. Condensed matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pardini, L.; Bellini, V.; Manghi, F. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
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  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 21 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR NANO); Universita di Modena e Reggio Emilia (literal)
Titolo
  • Effects of electronic correlation on x-ray absorption and dichroic spectra at L-2,(3) edge (literal)
Abstract
  • We present a new theoretical approach to describe x-ray absorption and magnetic circular dichroism spectra in the presence of electron-electron correlation. Our approach provides an unified picture to include correlations in both charged and neutral excitations, namely in direct/inversion photoemission where electrons are removed/added, and photoabsorption where electrons are promoted from core levels to empty states. We apply this approach to the prototypical case of the L-2,(3) edge of 3d transition metals and we show that the inclusion of many-body effects in the core level excitations is essential to reproduce, together with satellite structures in core level photoemission, the observed asymmetric lineshapes in x-ray absorption and dichroic spectra. (literal)
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