Self-interaction Corrected Calculations of Correlated f-electron Systems

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The electronic structures of several actinide solid systems are calculated using the self-interaction corrected local spin density approximation. Within this scheme the 5f electron manifold is considered to consist of both localized and delocalized states, and by varying their relative proportions the energetically most favourable (groundstate) configuration can be established. Specifically, we discuss elemental Pu in its δ-phase, PuO₂ and the effects of addition of oxygen, the series of actinide monopnictides and monochalcogenides, and the UX₃, X= Rh, Pd, Pt, Au, intermetallic series.