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Li, A; Hu, JN; Shang, XL; Zuo, W; Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China.; Li, A (reprint author), Xiamen Univ, Inst Theoret Phys & Astrophys, Xiamen 361005, Peoples R China.; Zuo, W (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Hu, JN (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.; Zuo, W (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Nonrelativistic nucleon effective masses in nuclear matter: Brueckner-Hartree-Fock model versus relativistic Hartree-Fock model
Source PublicationPHYSICAL REVIEW C
Language英语
AbstractThe density and isospin dependencies of nonrelativistic nucleon effective mass (m(N)*) are studied, which is a measure of the nonlocality of the single particle (s.p.) potential. It can be decoupled as the so-called k mass (m(k)*, i.e., the nonlocality in space) and E mass (m(E)*, i.e., the nonlocality in time). Both k mass andE mass are determined and compared by using the latest versions of the nonrelativistic Brueckner-Hartree-Fock (BHF) model and the relativistic Hartree-Fock (RHF) model. The latter is achieved based on the corresponding Schrodinger equivalent s.p. potential in a relativistic framework. We demonstrate the origins of different effective masses and discuss also their neutron-proton splitting in the asymmetric matter in different models. We find that the neutron-proton splittings of both the k mass and the E mass have the same asymmetry dependencies at the densities considered; namely, m(k, n)* > m(k, p)* and m(E, p)* > m(E, n)*. However, the resulting splittings of nucleon effective masses could have different asymmetry dependencies in these two models because they could be dominated either by the k mass (then we have m(n)* > m(p)* in the BHF model), or by the E mass (then we have m(p)* > m(n)* in the RHF model). The isospin splitting in the BHF model is more consistent with the recent analysis from the nucleon-nucleus-scattering data, while the small E mass m(E)* in the RHF case as a result of the missing ladder summation finally leads to an opposite splitting behavior.
2016
Volume93Issue:1Pages:15803
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1103/PhysRevC.93.015803
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11347151, 11435014, 11405090, 11505241, U1431107] ; National Natural Science Foundation of China [11347151, 11435014, 11405090, 11505241, U1431107] ; National Natural Science Foundation of China [11347151, 11435014, 11405090, 11505241, U1431107] ; National Natural Science Foundation of China [11347151, 11435014, 11405090, 11505241, U1431107] ; Major State Basic Research Developing Program of China [2013CB834405] ; Major State Basic Research Developing Program of China [2013CB834405] ; Major State Basic Research Developing Program of China [2013CB834405] ; Major State Basic Research Developing Program of China [2013CB834405] ; Knowledge Innovation Projects of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Projects of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Projects of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Projects of the Chinese Academy of Sciences [KJCX2-EW-N01]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21791
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, A; Shang, XL; Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China.; Li, A (reprint author), Xiamen Univ, Inst Theoret Phys & Astrophys, Xiamen 361005, Peoples R China.; Zuo, W (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Hu, JN (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.; Zuo, W (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
Li, A,Hu, JN,Shang, XL,et al. Nonrelativistic nucleon effective masses in nuclear matter: Brueckner-Hartree-Fock model versus relativistic Hartree-Fock model[J]. PHYSICAL REVIEW C,2016,93(1):15803.
APA Li, A.,Hu, JN.,Shang, XL.,Zuo, W.,Li, A .,...&Zuo, W .(2016).Nonrelativistic nucleon effective masses in nuclear matter: Brueckner-Hartree-Fock model versus relativistic Hartree-Fock model.PHYSICAL REVIEW C,93(1),15803.
MLA Li, A,et al."Nonrelativistic nucleon effective masses in nuclear matter: Brueckner-Hartree-Fock model versus relativistic Hartree-Fock model".PHYSICAL REVIEW C 93.1(2016):15803.
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