On the Renormalized Random Phase Approximation for Dilute Magnetic Alloys. II

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概要

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• The Anderson model for dilute magnetic alloys is re-examined in the magnetic limit U/Δ≫1 (U and Δ are the Coulomb energy and the level width at the impurity site, respectively) in the renormalized random phase approximation, which has recently been studied by Hamann and the present author. The result is rather different from previous works and proves that the characteristic temperature T_<s0> in our model is given by T_<s0>, which is too large in comparison with the corresponding Kondo temperature, and that the magnetic susceptibility x does not show the Curie law but x~1/T・(T/U)^<0.543> at high temperature (T≫T_<s0>).

• 理論物理学刊行会の論文
• 1972-11-25

著者

• Kuroda Yoshihiro

  Institute For Solid State Physics University Of Tokyo

• KURODA Yoshihiro

  Institute for Solid State Physics, University of Tokyo

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• Local Variation of an Order Parameter and an Isolated State inside the Energy Gap in a Superconductor with a Magnetic Impurity
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