Bond operator mean field approach to the magnetization plateaux in quantum antiferromagnets - Application to the S=1/2 coupled dimerized zigzag Heisenberg chains
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概要
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Copyright(c)2004 The Physical Society of JapanThe magnetization plateaux in two dimensionally coupled S = 1/2 dimerized zigzag Heisenberg chains are investigated by means of the bond operator mean field approximation. In the absence of the interchain coupling, this model is known to have a plateau at half of the saturation magnetization accompanied by the spontaneous translational symmetry breakdown. The parameter regime in which the plateau appears is reproduced well within the present approximation. In the presence of the interchain coupling, this plateau is shown to be suppressed. This result is also supported by the numerical diagonalization calculation.
- 社団法人日本物理学会の論文
- 2004-06-15
著者
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Chen Wei
Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine
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Hida K
Saitama Univ. Saitama
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Hida Kazuo
Department Of Physics Faculty Of Science Saitama University
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Hida Kazuo
Department Of Engineering Science Faculty Of Engineering Hokkaido University
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SHIINO Masaru
Department of Physics, Tokyo Institute of Technology
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Shiino Masaru
Department Of Physics Faculty Of Science Saitama University:(present Address)toyota Techno Service C
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Chen Wei
Department Of Food And Nutrition Providence University
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Chen Wei
Department Of Chemistry Mcgill University:(present Address)institute Of Biomedical Engineering Unive
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Chen Wei
Department Of Chemical Engineering Nagoya University
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HIDA Kazuo
Department of Physics, Saitama University
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HIDA Kazuo
Department of Physics, University of Tokyo
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Chen Wei
Department of Cell Biology, Third Military Medical University
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