Interplay of Pairing and Intrinsic Modes of Excitation in Nuclei. I : Transcription of Nucleon System into Ideal Boson-Quasi-Particle Space

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概要

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• A new method treating the interplay of pairing and intrinsic modes of excitation is proposed. In this method, the pairing mode associated with the J=0-coupled nucleon pairs is represented by pairing bosons and the intrinsic mode characterized by the seniority quantum number is explicitly treated by ideal quasi-particle operators. We obtain a closed expression of the single-nucleon operator in terms of pairing bosons and ideal quasi-particles. As a simple illustration, the superconducting system is treated by introducing the coherent state of pairing bosons and the relation to the Bogoliubov transformation is discussed. The relation between this method and the canonical transformation method with auxiliary variables is also clarified.

• 理論物理学刊行会の論文
• 1976-10-25

著者

• Matsuyanagi Kenichi

  Department Of Physics Graduate School Of Science Kyoto University

• Suzuki Toru

  Department Of Food Science And Technology Tokyo University Of Marine Science And Technology

• Suzuki Toru

  Department Of Biosphere And Environmental Sciences Faculty Of Environment Systems Rakuno Gakuen Univ

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