Journal
PHYSICAL REVIEW C
Volume 90, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.90.031303
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Funding
- JSPS KAKENHI [23740223, 25287065]
- Grants-in-Aid for Scientific Research [25287065, 23740223] Funding Source: KAKEN
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L = 0 proton-neutron (pn) pair-addition and pair-removal strengths in Ca-40 and Ni-56 are investigated by means of the pn particle-particle random-phase approximation employing a Skyrme energy-density functional. It is found that the collectivity of the lowest J(pi) = 1(+) state in the adjacent odd-odd nuclei becomes stronger as the strength of the isoscalar (T = 0) pairing interaction increases. The results suggest the emergence of the T = 0 pn-pairing vibrational mode as a possible critical phenomenon toward the T = 0 pairing condensation.
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