Zero-field circular and vortex-beam dichroism of the 0.85 THz magnon doublet is reported in h-Lu0.6Sc0.4FeO3 and interpreted as evidence for altermagnetic A2 ordering.
Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy3Fe5O12 garnet
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Large magnon dichroism and other optical properties of hexagonal ferrite h-Lu0.6Sc0.4FeO3 with altermagnetic A2 spin ordering
Zero-field circular and vortex-beam dichroism of the 0.85 THz magnon doublet is reported in h-Lu0.6Sc0.4FeO3 and interpreted as evidence for altermagnetic A2 ordering.