SHG in CoF2 is shown to be sensitive to the ferroic-octupolar magnetic order parameter in the altermagnetic phase via resonant three-photon processes and symmetry-allowed quadrupolar polarization.
Spin-split collinear antiferromagnets: A large-scale ab-initio study
4 Pith papers cite this work. Polarity classification is still indexing.
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2026 4verdicts
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In [(R)/(S)-MPA]2[MnCl4(H2O)], first-principles calculations and spin-space-group analysis predict altermagnetic spin splitting whose sign and momentum pattern are controlled by the coupled chiral, polar, and magnetic degrees of freedom, yielding explicit sign rules for electronic and magneto-optica
Relativistic altermagnets exhibit mixed g-, d-, and p-wave spin-momentum locking with symmetry-protected nodal planes and accidental nodal surfaces depending on Néel vector orientation.
Polar distortions induced by surface symmetry breaking or electric fields substantially modify the anomalous Hall conductivity in alpha-MnTe.
citing papers explorer
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Nonlinear Optical Probing of Ferroic-Octupolar Order Parameter in Collinear Altermagnet
SHG in CoF2 is shown to be sensitive to the ferroic-octupolar magnetic order parameter in the altermagnetic phase via resonant three-photon processes and symmetry-allowed quadrupolar polarization.
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Coupling Chirality, Polar Order, and Altermagnetic Spin Splitting in a Hybrid Manganese Chloride
In [(R)/(S)-MPA]2[MnCl4(H2O)], first-principles calculations and spin-space-group analysis predict altermagnetic spin splitting whose sign and momentum pattern are controlled by the coupled chiral, polar, and magnetic degrees of freedom, yielding explicit sign rules for electronic and magneto-optica
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Symmetry-protected nodal planes and accidental nodal surfaces in mixed odd-even wave spin-momentum locking of relativistic altermagnets
Relativistic altermagnets exhibit mixed g-, d-, and p-wave spin-momentum locking with symmetry-protected nodal planes and accidental nodal surfaces depending on Néel vector orientation.
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Effect of polar distortions on the anomalous Hall conductivity of altermagnetic $\alpha$-MnTe
Polar distortions induced by surface symmetry breaking or electric fields substantially modify the anomalous Hall conductivity in alpha-MnTe.