Spin-Gap Effect on Resistivity in the t-J Model : Condensed Matter: Electronic Properties, etc.
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概要
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We calculate the spin-gap effect on dc resistivity in the t-J model of high-T_c. cuprates by using the Ginzburg-Landau theory coupled with a gauge field as its effective field theory to obtain p(T) ∝ T{1 - c (T* - T)^d}, where T* is the spin-gap onset temperature. By taking the compactness of the massive gauge field into account, the exponent d deviates from its mean-field value 1/2 and becomes a nonuniversal T-dependent quantity, which improves the correspondence with the experiments.
- 社団法人日本物理学会の論文
- 2000-11-15
著者
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松井 哲男
東大総文
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松井 哲男
東大・総文
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Matsui Tetsuo
Department of Physics, Kinki University
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Onoda Masaru
Institute Of Particle And Nuclear Studies Kek
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Mitsuko ONODA
National Institute for Research in Inorganic Materials
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Ichinose I
Nagoya Inst. Technol. Nagoya
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Ichinose Ikuo
Institute Of Physics University Of Tokyo
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Matsui Tetsuo
Department Of Chemical Pharmacology Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceut
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Onoda M
National Inst. Of Advanced Industrial Sci. And Technol. (aist) Ibaraki
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MATSUI Tetsuo
L. P. T. P. E., L. P. N. H. E., case127 University Pierre et Marie Curie (Paris VI)
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MATSUI Tetsuo
Department of Physics, Nagoya University
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Ichinose Ikuo
Institute of Physics, University of Tokyo
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