Coexistence of isospin I = 0 and I = 1 pairings in asymmetric nuclear matter Supported by National Natural Science Foundation of China (11975282, 11775276, 11435014, 11505241), the Strategic Priority Research Program of Chinese Academy of Sciences (XDB34000000), the Youth Innovation Promotion Association of Chinese Academy of Sciences (Y2021414, Y201871),Chinese Physics C

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Coexistence of isospin I = 0 and I = 1 pairings in asymmetric nuclear matter Supported by National Natural Science Foundation of China (11975282, 11775276, 11435014, 11505241), the Strategic Priority Research Program of Chinese Academy of Sciences (XDB34000000), the Youth Innovation Promotion Association of Chinese Academy of Sciences (Y2021414, Y201871)
Chinese Physics C ( IF 3.6 ) Pub Date : 2021-07-01 , DOI: 10.1088/1674-1137/abf99a
Yi-Jun Yan _{1,

2} , Xin-Le Shang _{1,

2,

3} , Jian-Min Dong _{1,

2,

3} , Wei Zuo _{1,

2,

3}

Affiliation

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.

更新日期：2021-07-01

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