Gapped Ground State in the Spin-1/2 Trimer Chain System Cu_3Cl_6(H_2O)_2 2H_8C_4SO_2 : Condensed Matter: Electronic Properties, etc.

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概要

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• The magnetic susceptibility and magnetization curves of an S=1/2 trimer spin chain system Cu_3Cl_6(H_2O)_2・2H_8C_4SO_2 have been measured using single crystals and polycrystals. It was found that the ground state at zero-field is a spin singlet with an excitation gap. This result suggests that the translational symmetry of the Hamiltonian is spontaneously broken in the ground state. A model for the ground state is proposed. The magnetization curve measured at 0.08K for polycrystals shows that the gap closes at H_c≈3.9T, from which the magnitude of the gap is evaluated as Δ/K_B≈5.2K.

• 社団法人日本物理学会の論文
• 2000-02-15

著者

• Yasuo Narumi

  Institute For Solid State Physics University Of Tokyo

• Narumi Yasuo

  Crest Japan Science And Technology:research Center For Materials Science At Extreme Conditions Osaka

• 萩原 政幸

  Kyokugen Osaka University

• TANAKA Hidekazu

  Department of Natural History Sciences, Faculty of Science, Hokkaido University

• Narumi Yasuo

  Crest Japan Science And Technology

• 萩原 政幸

  理研

• NARUMI Yasuo

  KYOKUGEN, Osaka University

• KINDO Koichi

  Research Center for Materials and Science at Extreme Conditions, Osaka University

• UEKUSA Hidehiro

  Department of Chemistry, Tokyo Institute of Technology

• 大橋 洋士

  JST(CREST)

• Narumi Yasuo

  Institute For Solid State Physics University Of Tokyo

• 大橋 洋士

  筑波大学物理学系

• Kindo Koichi

  Research Center For Materials Science Of Extreme Conditions Osaka University

• OHASHI Yuji

  Department of Chemistry and Materials Science Tokyo Institute of Technology

• 大橋 洋士

  慶大理工

• Uekusa H

  Department Of Chemistry And Materials Science Tokyo Institute Of Technology

• Uekusa H

  Department Of Chemistry Tokyo Institute Of Technology

• Hagiwara Masayuki

  Division Of Bioengineering Graduate School Of Engineering Science Osaka Univ

• Hagiwara Masayuki

  Department Of Physics Faculty Of Science Osaka University

• Hagiwara Masayuki

  Riken (the Institute Of Physical And Chemical Research):graduate School Of Integrated Science Yokoha

• Hiraoka T

  Faculty Of Science And Engineering Saga University

• Tatani K

  Research Center For Materials Science At Extreme Conditions Osaka University

• ISHII Mariko

  Department of Physics,Tokyo Institute of Technology

• HORI Mikiko

  Department of Physics,Tokyo Institute of Technology

• TATANI Keiji

  Research Center for Materials Science at Extreme Conditions,Osaka University

• Uekusa Hidehiro

  Department Of Chemistry And Material Science Tokyo Institute Of Technology

• Hagiwara Makoto

  Faculty Of Engineering Yokohama National University

• Hagiwara Makoto

  Department Of Electronics And Information Science Faculty Of Engineering And Design Kyoto Institute

• Hori M

  Department Of Physics Tokyo Institute Of Technology

• Ishii M

  Tokyo Metropolitan Univ. Hachioji

• Ishii Mariko

  Department Of Physical Chemistry Showa Pharmaceutical University

• Ishi Masazumi

  Department Of Physics Tokyo Metropolitan University

• 大橋 洋士

  慶応大 理工

• Tanaka Hidekazu

  Department Of Internal Medicine Iii Osaka Medical College

• Hagiwara Masayuki

  Kyokugen (center For Quantum Science And Technology Under Extreme Conditions) Osaka University

• Tanaka Hidekazu

  Department Of Earth And Planetary Sciences Faculty Of Science Tokyo Institute Of Technology

• Ishii Mariko

  Department Of Applied Biochemistry Tokai University

• Tanaka Hidekazu

  Department Of Chemistry And Chemical Biology Gunma University

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