Kondo Effect in Two-Band Model

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概要

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• In order to investigate the Kondo effect in transition metals, we propose a simple model Hamiltonian which takes account of the existence of two overlapping bands. Using the approximation of Nagaoka's decoupling procedure, we derive a set of simultaneous singular integral equations for scattering t-matrices, which are solved formally in the similar way as Zittartz and Muller-Hartmann. The imaginary part of the t-matrix for the frequency ω=0 is calculated to explain qualitatively the experimental result of the resistivity of Rh alloys.

• 理論物理学刊行会の論文
• 1972-07-25

著者

• KITAMURA Toyoyuki

  Department of Physics Tokyo University of Education

• Tankei Katsuichi

  Department Of Physics Tokyo University Of Education

関連論文

• Effect of Spin Fluctuation in Superconductors. II : The Transition Temperature
• Density of States in the Energy Gap in the Superconducting Transition Metal Alloy
• Kondo Effect in Two-Band Model

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