Simple-Decoupling Theory of High-T_c Superconductivity

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概要

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• The Hubbard model is examined in the strong correlation limit within theframework of the Hubbard-I-type simple-decoupling method of the Green's funclions. The decouplings are made with the projection operators. The transition temper-ature T. of the ,s'- and d-wave superconductivity due to the superexchange interactionis calculated as a function of the hole concentration d. The resultant T becomes zeroas J = 0 and i = l, and can have appreciable values in some regions of (>. The d-wavesuperconductivity is favorable when d - l / 3, while .s'-wave state is favorable in otherregions.

• 社団法人日本物理学会の論文
• 1989-09-15

著者

• Misawa Susumu

  Faculty Of Human Science Tokiwa University

関連論文

• Magnetic Properties and Superconductivity of the Strong Coupling Hubbard Model
• Magnetic Properties of the Strong Coupling Hubbard Model
• Simple-Decoupling Treatment of Hall Effect in Strongly Correlated Superconductors
• Simple-Decoupling Theory of High-T_c Superconductivity

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