Chiral order and electromagnetic dynamics in one-dimensional multiferroic cuprates

Shunsuke Furukawa; Masahiro Sato; Shigeki Onoda

doi:10.1103/PhysRevLett.105.257205

Chiral order and electromagnetic dynamics in one-dimensional multiferroic cuprates

Shunsuke Furukawa, Masahiro Sato, Shigeki Onoda

研究成果: Article › 査読

105 被引用数 (Scopus)

抄録

We show by unbiased numerical calculations that the ferromagnetic nearest-neighbor exchange interaction stabilizes a vector spin chiral order against the quantum fluctuation in a frustrated spin-12 chain relevant to multiferroic cuprates, LiCu₂O₂ and LiCuVO₄. Our realistic semiclassical analyses for LiCu₂O₂ resolve controversies on the helical magnetic structure and unveil the pseudo-Nambu-Goldstone modes as the origin of experimentally observed electromagnons.

本文言語	English
論文番号	257205
ジャーナル	Physical review letters
巻	105
号	25
DOI	https://doi.org/10.1103/PhysRevLett.105.257205
出版ステータス	Published - 2010 12月 14
外部発表	はい

ASJC Scopus subject areas

物理学および天文学一般

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10.1103/PhysRevLett.105.257205

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Chiral order and electromagnetic dynamics in one-dimensional multiferroic cuprates

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