Magnetic Properties of Extended t-J Model. I. Static Properties
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概要
- 論文の詳細を見る
Spin fluctuations in the extended t-J model have been investigated within the slave-boson mean-field approximation based on both uniform and singlet RVB states. By choosing the transfer integrals to reproduce the Fermi surface of LSCO and YBCO, we find that incommensurate spin fluctuations can be expected for the Fermi surface of LSCO-type, whereas only commensurate ones for that of YBCO-type, in agreement with experiments. Moreover effects of singlet RVB pairing have been explored and are shown to lead to the qualitative difference of the temperature dependences of the shift of nuclear magnetic resonance in the high and low doping regions as seen experimentally.
- 社団法人日本物理学会の論文
- 1993-02-15
著者
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FUKUYAMA Hidetoshi
Department of Applied Physics, Tokyo University of Science
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Fukuyama Hidetoshi
Department Of Physics Univercsity Of Tokyo
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KOHNO Hiroshi
Department of Chemical Science and Technology, Faculty of Engineering, Kyushu University
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Tanamoto Tetsufumi
Department Of Physics University Of Tokyo
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Tanamoto Tetsufumi
R & D Center Toshiba Corporation
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Kohno H
Laboratory Of Ichthyology Tokyo University
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Fukuyama Hidetoshi
Department Of Applied Physics Faculty Of Science Tokyo University Of Science
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Fukuyama Hidetoshi
Department of Applied Physics and Research Institute for Science and Technology, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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