Quantum spin fluctuations in the spin-liquid state of Tb 2Ti 2O 7

Hiroshi Takatsu*, Hiroaki Kadowaki, Taku J. Sato, Jeffrey W. Lynn, Yoshikazu Tabata, Teruo Yamazaki, Kazuyuki Matsuhira

*この研究の対応する著者

研究成果: Article査読

44 被引用数 (Scopus)

抄録

Neutron scattering experiments on a polycrystalline sample of the frustrated pyrochlore magnet Tb 2Ti 2O 7, which does not show any magnetic order down to 50mK, have revealed that it shows condensation behavior below 0.4K from a thermally fluctuating paramagnetic state to a spin-liquid ground state with quantum spin fluctuations. Energy spectra change from quasielastic scattering to a continuum with a double-peak structure at energies of 0 and 0.8K in the spin-liquid state. Specific heat shows an anomaly at the crossover temperature.

本文言語English
論文番号052201
ジャーナルJournal of Physics Condensed Matter
24
5
DOI
出版ステータスPublished - 2012 2月 8
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学

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