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

作　　者：Yi-Jun Yan Xin-Le Shang Jian-Min Dong Wei Zuo 晏一珺;尚新乐;董建敏;左维(Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;School of Nuclear Science and Technology,University of Chinese Academy of Sciences,Beijing 100049,China;CAS Key Laboratory of High Precision Nuclear Spectroscopy,Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China)

机构地区：[1]Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China [2]School of Nuclear Science and Technology,University of Chinese Academy of Sciences,Beijing 100049,China [3]CAS Key Laboratory of High Precision Nuclear Spectroscopy,Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

出　　处：《Chinese Physics C》2021年第7期225-231,共7页中国物理C（英文版）

基　　金：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)。

摘　　要：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.

关 键 词：COEXISTENCE isospin singlet pairing isospin triplet pairing asymmetric nuclear matter 

分 类 号：O571[理学—粒子物理与原子核物理]