Extended Parquet Theory for s-d System
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概要
- 論文の詳細を見る
In the Abrikosov and the Nagaoka-Suhl theories, only the process that each conduction electron is scattered repeatedly by an impurity spin while propagating as a particle and a hole state is taken into account. We try to take into account partially the many-body effect which is characterized by the presence of closed loops of the electron, using the self-consistent renormalization procedure. Our calculation is performed in a close paralellism with Nozieres et al.'s theory for the X-ray problem. If the coupling is antiferromagnetic, another type of resonance is obtained;the resonance energy is much reduced and logarithmic singularities disappear completely. In the case of ferromagnetic coupling, the renormalization procedure scarcely affects the result.
- 理論物理学刊行会の論文
- 1971-11-25
著者
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Fukushima Kenji
Department Of Basic Biology The Graduate University For Advanced Studies
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Fukushima Kenji
Department Of Physics Tokyo Metropolitan University
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FUKUSHIMA Kenji
Department of Physics, Tokyo Metropolitan University
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