Two-Particle-Two-Hole J^π=0^+ States of ^<40>Ca : Interplay between Particle-Particle (Hole-Hole) Correlations and Particle-Hole Correlations
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概要
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The correlated two-particle-two-hole states with J^π=0^+ of ^<40>Ca are described in terms of the two-particle-two-hole excitation modes in the framework of the new Tamm-Dancoff method. The agreement between the calculated and the observed energy spectra of these states is considerably good. The interplay between the particle-particle (hole-hole) correlations and the particle-hole ones is investigated through the structure of these states. It is concluded that the particle-hole interaction mixes multipole particle-particle (hole-hole) correlations but does not spoil the "collective" structure of each multipole particle-particle (hole-hole) correlation. It may be possible to describe the low-lying two-particle-two-hole states with J^π=0^+ in terms of only collective two-particle and two-hole modes.
- 一般社団法人日本物理学会の論文
- 1975-06-25
著者
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HASEGAWA Masaki
Geophysical Institute, Faculty of Science, University of Tokyo
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HASEGAWA Munetake
Laboratory of Physics, Fukuoka Dental College
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Hasegawa Munetake
Laboratory Of Physics Fukuoka Dental College
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HASEGAWA Munetaka
Laboratory of Physics, Fukuoka Dental College
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- Two-Particle-Two-Hole J^π=0^+ States of ^Ca : Interplay between Particle-Particle (Hole-Hole) Correlations and Particle-Hole Correlations