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题名: Mass dependence of symmetry energy coefficients in the Skyrme force
作者: Wang, N;  Liu, M;  Jiang, H;  Tian, JL;  Zhao, YM
刊名: PHYSICAL REVIEW C
出版日期: 2015
卷号: 91, 期号:4, 页码:44308
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevC.91.044308
通讯作者: Wang, N (reprint author), Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China.
文章类型: Article
英文摘要: Based on the semiclassical extended Thomas-Fermi approach, we study the mass dependence of the symmetry energy coefficients of finite nuclei for 36 different Skyrme forces. The reference densities of both light and heavy nuclei are obtained. Eight models based on the nuclear liquid drop concept and the Skyrme force SkM* suggest the symmetry energy coefficient a(sym) = 22.90 +/- 0.15 MeV at A = 260, and the corresponding reference density is rho(A) similar or equal to 0.1 fm(-3) at this mass region. The standard Skyrme energy density functionals give negative values for the coefficient of the I-4 term in the binding energy formula, whereas the latest Weizsacker-Skyrme formula and the experimental data suggest positive values for the coefficient.
类目[WOS]: Physics, Nuclear
关键词[WOS]: NEUTRON-STAR DENSITIES ;  THOMAS-FERMI APPROACH ;  NUCLEAR PROPERTIES ;  FORMULA ;  PARAMETRIZATION ;  SUBNUCLEAR
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11275052, 11365005, 11422548, 11475004, 11225524, 11305101] ;  973 Program of China [2013CB834401] ;  State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF041CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21031
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Wang, N,Liu, M,Jiang, H,et al. Mass dependence of symmetry energy coefficients in the Skyrme force[J]. PHYSICAL REVIEW C,2015,91(4):44308.
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