Density Matrix Renormalization Group and Numerical Diagonalization Study on the Quantum Spin Nanotube in Magnetic Field
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- SAKAI Toru
- Japan Atomic Energy Agency, SPring-8, and Department of Material Science, University of Hyogo, and JST TRIP
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- SATO Masahiro
- Aoyama Gakuin University
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- OKUNISHI Kouichi
- Depatment of Physics, Niigata University
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- OKAMOTO Kiyomi
- Department of Physics, Tokyo Institute of Technology
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- ITOI Chigak
- Department of Physics, Nihon University
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The magnetization process of the S=1/2 three-leg spin tube with an asymmetric exchange interaction in each triangle unit is investigated by the numerical exact diagonalization and the density matrix renormalization group calculation. It is found that the 1/3 magnetization plateau appears due to two different mechanisms depending on the asymmetry. The phase diagrams of the 1/3 plateau is presented. In addition some cusp-like anomalies are found in the magnetization curve.
収録刊行物
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- Progress in Nuclear Science and Technology
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Progress in Nuclear Science and Technology 2 (0), 30-33, 2011-10-01
Atomic Energy Society of Japan
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390851109291726464
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- NII論文ID
- 40019313855
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- NII書誌ID
- AA12785802
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- NDL書誌ID
- 023756678
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- ISSN
- 21854823
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可