Antisymmetrized Molecular Dynamics with Coherent State Pions and Its Application to Excited Spectrum of ^<12>C(Nuclear Physics)

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概要

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• We introduce coherent state neutral pions into Antisymmetrized Molecular Dynamics. With the aid of coherent state technique, it becomes possible to calculate transition matrix elements of the pion field operator and to study excited states containing pions. For a large pion-nucleon coupling, f_<πN>≳1.6, pions have a finite expectation value and cause a large energy gain in ^<12>C. We discuss two aspects of pionic effects in spectroscopy, an LS-like interaction effect and the mixing of different nucleon parity states, which would modify low energy nuclear levels.

• 理論物理学刊行会の論文
• 2005-09-25

著者

• 大西 明

  京都大学基礎物理学研究所

• 大西 明

  北海道大学

• 大西 明

  Division Of Physics Graduate School Of Science Hokkaido University

• ISSHIKI Akinori

  Division of Physics, Graduate School of Science, Hokkaido University

• NAITO Kenichi

  Meme Media Laboratory, Hokkaido University

• OHNISHI Akira

  Division of Physics, Graduate School of Science, Hokkaido University

• Naito Kenichi

  Meme Media Laboratory Hokkaido University

• Naito Kenichi

  Meme Media Laboratory Graduate School Of Engineering Hokkaido University

• Ohnishi Akira

  Yukawa Institute For Theoretical Physics Kyoto University:department Of Physics Faculty Of Science H

• Ohnishi Akira

  Division Of Physics Graduate School Of Science Hokkaido University

• Isshiki Akinori

  Division Of Physics Graduate School Of Science Hokkaido University

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