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Asymmetric nuclear matter from an extended Brueckner-Hartree-Fock approach
Zuo, W; Bombaci, I; Lombardo, U
1999-08-01
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume60Pages:13
AbstractThe properties of isospin-asymmetric nuclear matter have been investigated in the framework of the extended Brueckner-Hartree-Fock approximation at zero temperature. Self-consistent calculations using the Argonne V-14 interaction are reported for several values of the asymmetry parameter beta = (N - Z)/A, ranging from symmetric nuclear matter to pure neutron matter. The binding energy per nucleon fulfills the beta(2) law in the whole asymmetry range. The symmetry energy is calculated for different densities and discussed in comparison with other predictions, At the saturation point it is in fairly good agreement with the empirical value. The present approximation, based on the Landau definition of quasiparticle energy, is investigated in terms of the Hugenholtz-Van Hove theorem, which is proved to be fulfilled with a good accuracy at various asymmetries. The isospin dependence of the single-particle properties is discussed, including mean field, effective mass, and mean free path of neutrons and protons. The isospin effects in nuclear physics and nuclear astrophysics are briefly discussed. [S0556-2813(99)03108-8].
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS KeywordNEUTRON-STAR PROPERTIES ; MEAN FREE-PATH ; SEPARABLE REPRESENTATION ; SYMMETRY ENERGY ; EQUATION ; TEMPERATURE ; DEPENDENCE ; POTENTIALS ; EXPANSION
WOS SubjectPhysics, Nuclear
WOS IDWOS:000082051700037
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:277[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://119.78.100.186/handle/113462/36217
Collection中国科学院近代物理研究所
Corresponding AuthorZuo, W
Affiliation1.Ist Nazl Fis Nucl, LNS, I-95123 Catania, Italy
2.Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy
3.Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
4.Dipartimento Fis, I-95129 Catania, Italy
5.Acad Sinica, Inst Modern Phys, Lanzhou, Peoples R China
Recommended Citation
GB/T 7714
Zuo, W,Bombaci, I,Lombardo, U. Asymmetric nuclear matter from an extended Brueckner-Hartree-Fock approach[J]. PHYSICAL REVIEW C,1999,60:13.
APA Zuo, W,Bombaci, I,&Lombardo, U.(1999).Asymmetric nuclear matter from an extended Brueckner-Hartree-Fock approach.PHYSICAL REVIEW C,60,13.
MLA Zuo, W,et al."Asymmetric nuclear matter from an extended Brueckner-Hartree-Fock approach".PHYSICAL REVIEW C 60(1999):13.
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