μSR Study of Cu Benzoate at Very Low Temperature : Existence or Nonexistence of Long Range Order in Coupled Chains
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概要
- 論文の詳細を見る
Zero-, longitudinal- and transverse-field μSR experiments are performed for a linear chain antiferromagnet Cu benzoate, Cu (C_6H_5COO)・3H_2O, and no long range order (LRO) is found down to 20 mK. The upper limit of the ratio of the Neel temperature to the exchange coupling, k_BT_N/J < 0.002,is even better than that of Sr_2CuO_3,which is known as the best candidate of S=1/2 antiferromagnetic Heisenberg quantum spin chain. Significance of our findings is discussed in view of whether there is a non-zero critical coupling ratio necessary for LRO in coupled Heisenberg chains.
- 社団法人日本物理学会の論文
- 2002-02-15
著者
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網代 芳民
京大院理
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AJIRO Yoshitami
Department of Chemistry, Graduate School of Science, Kyoto University
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網代 芳民
Department Of Chemistry Kyoto University:crest Japan Science And Technology Corporation (jst)
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Ajiro Y
Department Of Chemistry Graduate School Of Science Kyoto University
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ASANO Takayuki
Department of Physics, Kyushu University
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NOJIRI Hiroyuki
Dapartment of Physics, Okayama University
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HIGEMOTO Wataru
Meson Science Laboratory, Institute of Materials Structure Science, High Energy Accelerator Research
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KODA Akihiro
Meson Science Laboratory, Institute of Materials Structure Science, High Energy Accelerator Research
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KADONO Ryosuke
Meson Science Laboratory, Institute of Materials Structure Science, High Energy Accelerator Research
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Ajiro Y
Department Of Physics Kyushu University
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HIGEMOTO Wataru
Advanced Science Research Center, Japan Atomic Energy Agency
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Asano T
Department Of Mechanical Engineering Faculty Of Engineering And Resource Science Akita University
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Kadono Ryosuke
Kek Ibaraki
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Asano Takayuki
Depatment Of Applied Physics Fukui University
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Asano Takayuki
Department Of Physics Faculty Of Science Kyushu University:crest Japan Science And Technology Agency
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Higemoto W
Advanced Science Research Center Japan Atomic Energy Agency
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Higemoto Wataru
Meson Science Laboratory Imss High Energy Accelerator Research Organization:(present Address)advance
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Higemoto Wataru
Meson Science Laboratory Institute Of Materials Structure Science High Energy Accelerator Research O
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Koda A
Department Of Materials Structure Science School Of High Energy Accelerator Science The Graduate Uni
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Koda Akihiro
Kyokugen Osaka University:graduate School Of Engineering Science Osaka University
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Koda Akihiro
Institute Of Materials Structure Science High Energy Accelerator Research Organization (kek):departm
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Koda Akihiro
Meson Science Laboratory Institute Of Materials Structure Science High Energy Accelerator Research O
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Ajiro Yoshitami
Department Of Applied Physics Faculty Of Engineering Fukui University
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Asano Takayuki
Department Of Agricultural And Environmental Biology Graduate School Of Agricultural And Life Scienc
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Kadono R
Department Of Materials Structure Science School Of High Energy Accelerator Science The Graduate Uni
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Kadono Ryosuke
Department Of Materials Structure Science The Graduate University For Advanced Studies
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Taketani Akio
The Graduate School Of Science And Technology Kobe University
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Higemoto Wataru
Advanced Science Research Center Japan Atomic Energy Agency
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Koda Akihiro
High Energy Accelerator Res. Organization
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Higemoto Wataru
Institute Of Materials Structure Science High Energy Accelerator Research Organization : (present Ad
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Koda Akihiro
Institute Of Materials Structure Science High Energy Accelerator Research Organization (kek):departm
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