Coulomb correlations in nickel within the alloy analogy of the Hubbard model |
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| Authors: | G Treglia F Ducastelle D Spanjaard |
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| Institution: | ONERA, 29 Avenue de la Division Leclerc, 92320 Chatillon sous Bagneux, France;Laboratoire de Physique des Solides, Bât. 510, Université Paris-Sud, Centre d''Orsay, 91405 Orsay, France |
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| Abstract: | Coulomb correlations in transition metals are treated self-consistently within the alloy analogy of the Hubbard model, taking into account the full degeneracy of the d-band. Numerical calculations are performed in the case of nickel: the calculated optical excitations spectrum exhibits two satellites corresponding to d9 and d8 configurations. Finally, we comment on the core level spectra. |
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