Quantum Spin Liquid Emerging from Antiferromagnetic Order by Introducing Disorder

T. Furukawa, K. Miyagawa, T. Itou, M. Ito, H. Taniguchi, M. Saito, S. Iguchi, T. Sasaki, K. Kanoda

研究成果: Article査読

38 被引用数 (Scopus)

抄録

Quantum spin liquids, which are spin versions of quantum matter, have been sought after in systems with geometrical frustration. We show that disorder drives a classical magnet into a quantum spin liquid through conducting NMR experiments on an organic Mott insulator, κ-(ET)2Cu[N(CN)2]Cl. Antiferromagnetic ordering in the pristine crystal, when irradiated by x rays, disappears. Spin freezing, spin gap, and critical slowing down are not observed, but gapless spin excitations emerge, suggesting a novel role of disorder that brings forth a quantum spin liquid from a classical ordered state.

本文言語English
論文番号077001
ジャーナルPhysical review letters
115
7
DOI
出版ステータスPublished - 2015 8 11

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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