Spectral evidence for Dirac spinons in a kagome lattice antiferromagnet

Li, S.*; Meng, Z. Y.*; Nakajima, Kenji

We measured the spin dynamics in a two-dimensional kagome spin 1/2 Heisenberg antiferromagnet YCu $_{3}$ (OD) $_{6}$ Br $_{2}$ [Br $_{0.33}$ (OD) $_{0.67}$ ] by neutron scattering experiment to see the evidence of Dirac Magnon. The results provide spectral evidence for the emergence of Dirac spinons in this kagome lattice antiferromagnet.

Language	:	English
Journal	:	Neutron News
Volume	:	35
Number	:	3-4
Pages	:	p.26 - 28
Publication Year/Month	:	2024/10
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Paper URL	:	https://doi.org/10.1080/10448632.2024.2425889
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Keywords	:	J-PARC; 中性子散乱; 量子スピン系
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : AA20240803
JAEA Abstracts No. : 54000137
Paper Submission No. : 30518

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