Longitudinal spin density wave order in a quasi-1D ising-like quantum antiferromagnet

S. Kimura, M. Matsuda, T. Masuda, S. Hondo, K. Kaneko, N. Metoki, M. Hagiwara, T. Takeuchi, K. Okunishi, Z. He, K. Kindo, T. Taniyama, M. Itoh

研究成果: ジャーナルへの寄稿学術論文査読

53 被引用数 (Scopus)

抄録

From neutron diffraction measurements on a quasi-1D Ising-like Co2+ spin compound BaCo2V2O8, we observed an appearance of a novel type of incommensurate ordering in magnetic fields. This ordering is essentially different from the Néel-type ordering, which is expected for the classical system, and the peculiar spin structure is caused by quantum fluctuation inherent in the quantum spin chain. A Tomonaga-Luttinger liquid nature characteristic of the gapless quantum 1D system is responsible for the realization of the incommensurate ordering.

本文言語英語
論文番号207201
ジャーナルPhysical Review Letters
101
20
DOI
出版ステータス出版済み - 2008 11月 10

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