One-Particle Green Function Defined for the s-d Bound State. II : A General Formalism with the Ordinary s-d Hamiltonian
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概要
- 論文の詳細を見る
A state with an electron-spin pair is assumed to have finite amplitude in the singlet ground state of the s-d Hamiltonian. An electron Green function is calculated on this assumption by means of perturbation expansion. The electron Green function is separated into two parts, a normal part describing the ordinary scattering process, and an anomalous part describing the exchange with an electron bound around a target. As applications, discussions are given on the correlation function of spin operators and the lifetime of an electron on the Fermi surface. For the latter, we obtain an expression which does not depend on a coupling constant.
- 理論物理学刊行会の論文
- 1971-04-25
著者
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Kawamura Kiyoshi
Department Of Electrical Engineering College Of Science And Technology Nihon University
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Kawamura Kiyoshi
Department of Physics, University of Tokyo
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Kawamura Kiyoshi
Department of Chemistry, Faculty of Science, Kyoto University
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