Infuence of correlation effects on the of magneto-optical properties of half-metallic ferromagnet NiMnSb

Abstract

The magneto-optical spectra of NiMnSb were calculated in the framework of the Local Spin Density Approximation (LSDA) combined with Dynamical Mean-Field Theory (DMFT). Comparing with results based on plain LSDA, an additional account of many-body correlations via DMFT results in a noticably improved agreement of the theoretical Kerr-rotation and ellipticity spectra with corresponding experimental data.

arXiv commentprb submitted

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• Ab-initio calculation of the effective on-site Coulomb interaction parameters for half-metallic magnets
• Ab-initio determined electronic and magnetic properties of half-metallic NiCrSi and NiMnSi Heusler alloys; the role of interfaces and defects
• Effect of the double-counting functional on the electronic and magnetic properties of half-metallic magnets using the GGA+U method
• Electronic structure and magnetic properties of metallocene multiple-decker sandwich nanowires
• Majority-spin non-quasiparticle states in half-metallic ferrimagnet Mn${}_2$VAl
• Dynamical correlations in single-layer CrI${}_3$
• Theory of optically forbidden d-d transitions in strongly correlated crystals
• Spin-charge conversion in NiMnSb Heusler alloy films
• Spin Dependent Lifetimes and Spin-orbit Hybridization Points in Heusler Compounds