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Coexistence of isospin I = 0 and I = 1 pairings in asymmetric nuclear matter *

Authors :
Xinle Shang
Jianmin Dong
Wei Zuo
Yi-Jun Yan
Source :
Chinese Physics C. 45:074105
Publication Year :
2021
Publisher :
IOP Publishing, 2021.

Abstract

The coexistence of neutron-neutron (n-n), proton-proton (p-p), and neutron-proton (n-p) pairings is investigated by adopting an effective density-dependent contact pairing potential. These three types of pairings can coexist only if the n-p pairing is stronger than the n-n and p-p pairings for the isospin asymmetric nuclear matter. In addition, the existence of n-n and p-p pairs might enhance n-p pairings in asymmetric nuclear matter when the n-p pairing strength is significantly stronger than the n-n and p-p ones. Conversely, the n-p pairing is reduced by the n-n and p-p pairs when the n-p pairing interaction approaches n-n and p-p pairings.

Details

ISSN :
20586132 and 16741137
Volume :
45
Database :
OpenAIRE
Journal :
Chinese Physics C
Accession number :
edsair.doi.dedup.....f2fc785c4963299997f520d0a9818b87
Full Text :
https://doi.org/10.1088/1674-1137/abf99a