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arXiv · 0905.4061

The Role of Correlations in the Magnetic Moment of MnSi

Robert D. Collyer·Dana A. Browne
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Abstract

We explored the anomalously low moment in MnSi found by experiment (~0.4 $μ_{\text{B}}$/Mn) vs the moment predicted by density functional theory (~1.0 $μ_{\text{B}}$/Mn). With the addition of a Hubbard-U correction, we found several solutions with lower moments. These lower moment solutions show an unusual magnetic order and a magnetic quadrupole moment. The behavior of the moment under pressure does not follow the experimental trend.

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Robert D. Collyer, Dana A. Browne. 2009-10-09. The Role of Correlations in the Magnetic Moment of MnSi. https://arxiv.org/abs/0905.4061

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