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Shang, XL; Zuo, W; Shang, XL (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Angle-dependent gap state in asymmetric nuclear matter
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordSuperfluidity
AbstractWe propose an axisymmetric angle-dependent gap (ADG) state with the broken rotational symmetry in isospin-asymmetric nuclear matter. In this state, the deformed Fermi spheres of neutrons and protons increase the pairing probabilities along the axis of symmetry breaking near the average Fermi surface. We find that the state possesses lower free energy and larger gap value than the angle-averaged gap state at large isospin asymmetries. These properties are mainly caused by the coupling of different m(j) components of the pairing gap. Furthermore, we find the transition from the ADG state to the normal state is of second order and the ADG state vanishes at the critical isospin asymmetry alpha(c) where the angle-averaged gap vanishes.
2013
ISSN0556-2813
Volume88Issue:2Pages:25806
Subject AreaPhysics
Indexed BySCI
Funding Organization973 Program of China [2013CB834405]; National Natural Science Foundation of China [11175219]; Chinese Academy of Sciences [KJCX2-EW-N01] ; 973 Program of China [2013CB834405]; National Natural Science Foundation of China [11175219]; Chinese Academy of Sciences [KJCX2-EW-N01] ; 973 Program of China [2013CB834405]; National Natural Science Foundation of China [11175219]; Chinese Academy of Sciences [KJCX2-EW-N01] ; 973 Program of China [2013CB834405]; National Natural Science Foundation of China [11175219]; Chinese Academy of Sciences [KJCX2-EW-N01]
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15291
CollectionSCI期刊论文
Corresponding AuthorShang, XL (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
Shang, XL,Zuo, W,Shang, XL . Angle-dependent gap state in asymmetric nuclear matter[J]. PHYSICAL REVIEW C,2013,88(2):25806.
APA Shang, XL,Zuo, W,&Shang, XL .(2013).Angle-dependent gap state in asymmetric nuclear matter.PHYSICAL REVIEW C,88(2),25806.
MLA Shang, XL,et al."Angle-dependent gap state in asymmetric nuclear matter".PHYSICAL REVIEW C 88.2(2013):25806.
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