Superconductor-Insulator Transition in the d-p Model
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概要
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We investigate a transition between the superconducting phase and the Mott insulator phase in the d-p model by using the slave-boson method and the 1/N-expansion theory, where the pairing interaction is given by the superexchange interaction J_s. We show that the competition between the pairing interaction and the Fermi energy induces the transition at finite doping rate.
- 社団法人日本物理学会の論文
- 2003-04-15
著者
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TSURUTA Atsushi
Department of Physics, Nagoya University
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Kobayashi A
Institute For Advanced Research Nagoya University
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Kobayashi A
Department Of Physics Division Of Material Science Nagoya University
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Kobayashi Akito
Department Of Physics Nagoya University
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Tsuruta A
Department Of Physics Nagoya University
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Tsuruta Atsushi
Department Of Materials Engineering Science Graduate School Of Engineering Science Osaka University
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Kosuge Yu
Department Of Physics Nagoya University
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Kuroda Yoshihiro
Department Of Pharmaceutical Health Care Faculty Of Pharmaceutical Sciences Himeji Dokkyo University
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Kobayashi Akito
Department Of Physics Division Of Material Science Nagoya University
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KURODA Yoshihiro
Physics Department, Nagoya University
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Arimoto Taijiro
Department Of Physics Nagoya University
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