Abstract ↗AI summary
The abstract is read at the publisher; the summary is JClub's.
Circular-dichroism resonant inelastic x-ray scattering directly reveals a chiral magnon in the altermagnetic candidate MnTe, termed a chiral altermagnon.
- Why it matters: Altermagnetism links ferro- and antiferromagnetic behavior, and its symmetry should dictate momentum-dependent spin splitting that enables chiral magnon modes.
- What they did: The team used polarization-resolved circular-dichroism resonant inelastic x-ray scattering to measure the chiral altermagnon’s spin polarization versus momentum in MnTe.
- The result: The observed momentum dependence matches the altermagnetic g-wave symmetry of MnTe, supporting a discrete class of magnetic excitations shaped by altermagnetic order.
The findingWhy it mattersWhat they didThe result
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