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arXiv · 1501.00345

Non-quasiparticle states in a half-metallic ferromagnet with antiferromagnetic $s-d(f)$ interaction

V. Yu. Irkhin
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Abstract

Non-quasiparticle (incoherent) states which play an important role in the electronic structure of half-metallic ferromagnets (HMF) are investigated consistently in the case of antiferromagnetic $s-d(f)$ exchange interaction. Their appropriate description in the limit of strong correlations requires a rearrangement of perturbation series in comparison with the usual Dyson equation. This consideration provides a solution of the Kondo problem in the HMF case and can be important for first-principle HMF calculations performed earlier for ferromagnetic $s-d(f)$ interaction.

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V. Yu. Irkhin. 2015-01-02. Non-quasiparticle states in a half-metallic ferromagnet with antiferromagnetic $s-d(f)$ interaction. https://doi.org/10.1088/0953-8984/27/15/155602

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