Quantum spin excitations in Yb4As3 under magnetic field

M. Kohgi, K. Iwasa, J. M. Mignot, A. Hiess, A. Ochiai, H. Aoki

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Inelastic neutron scattering experiments under magnetic field were performed on the one-dimensional quantum antiferromagnet Yb4As 3. When a magnetic field is applied perpendicular to the Yb3+ chain, the material exhibits a gap-opening phenomenon due to the induced staggered field originated from the Dzyaloshinsky-Moriya interaction. It was confirmed that the spectrum remains gapless when a magnetic field is applied parallel to the Yb3+ chain. Clear evidence for the incommensurate mode which is predicted by the theories was found.

本文言語English
ページ(範囲)1436-1438
ページ数3
ジャーナルPhysica B: Condensed Matter
359-361
SPEC. ISS.
DOI
出版ステータスPublished - 2005 4 30

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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