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- W4307788185 abstract "${mathrm{Mn}}_{3}mathrm{Sn}$ is a fascinating kagome metal exhibiting anomalous Hall effect, spin Hall effect, and anomalous Nernst effect. Using density functional theory plus dynamical mean-field theory ($mathrm{DFT}+mathrm{DMFT}$), we investigate the electronic structures of ${mathrm{Mn}}_{3}mathrm{Sn}$ in the paramagnetic and noncollinear antiferromagnetic (NAFM) states. In the paramagnetic state, ${mathrm{Mn}}_{3}mathrm{Sn}$ has intermediate electronic correlation strength and exhibits typical features of kagome metals including flat bands, Dirac points, and saddle points. In the NAFM state, $mathrm{DFT}+mathrm{DMFT}$ calculations reproduce well the experimental Mn magnetic moment and angle-resolved photoemission spectroscopy measurements. Electronic correlation shifts the bands around ${E}_{F}$ and moves the Weyl point between $K$ and $M$ points from $ensuremath{sim}40phantom{rule{0.28em}{0ex}}mathrm{meV}$ above ${E}_{F}$ in DFT calculations to $ensuremath{sim}5phantom{rule{0.28em}{0ex}}mathrm{meV}$ below ${E}_{F}$, which can strongly enhance the anomalous Hall effect and chiral anomaly observed in ${mathrm{Mn}}_{3}mathrm{Sn}$. More importantly, we find that the existence of the Weyl point along the $Ktext{ensuremath{-}}M$ path depends strongly on the ordering pattern of the Mn moments in the NAFM state, which implies that the exotic properties arising from the Weyl points in ${mathrm{Mn}}_{3}mathrm{Sn}$ can be manipulated by tuning the ordering pattern of the Mn moments in the NAFM state." @default.
- W4307788185 created "2022-11-05" @default.
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- W4307788185 date "2022-11-01" @default.
- W4307788185 modified "2023-09-23" @default.
- W4307788185 title "Correlated electronic structure of the kagome metal <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mi>Sn</mml:mi></mml:mrow></mml:math>" @default.
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- W4307788185 doi "https://doi.org/10.1103/physrevb.106.205103" @default.
- W4307788185 hasPublicationYear "2022" @default.
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