Asymmetric nuclear matter: The role of the isovector scalar channel
刘波(理); Liu, B; Greco, V; Baran, V; Colonna, M; Di Toro, M
刊名PHYSICAL REVIEW C
2002
卷号65期号:4页码:45201
学科分类Physics
DOI10.1103/PhysRevC.65.045201
通讯作者Lab Nazl Sud, I-95123 Catania, Italy ; Univ Catania, I-95123 Catania, Italy ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
英文摘要We try to single out some qualitative effects of coupling to a delta-isovector-scalar meson, introduced in a minimal way in a phenomenological hadronic field theory. Results for the equation of state (EOS) and the phase diagram of asymmetric nuclear matter (ANM) are discussed. We stress the consistency of the delta-coupling introduction in a relativistic approach. Contributions to the slope and curvature of the symmetry energy and to the neutron-proton effective mass splitting appear particularly interesting. A more repulsive EOS for neutron matter at high baryon densities is expected. Effects on the critical properties of warm ANM, mixing mechanical and chemical instabilities and isospin distillation, are also presented. The delta influence is mostly on the isovectorlike collective response. The results are largely analytical, and this makes the physical meaning quite transparent. Implications for nuclear structure properties of drip-line nuclei and for reaction dynamics with radioactive beams are finally pointed out.
类目[WOS]Physics, Nuclear
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000175186200078
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被引频次:190[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240624
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Liu B,Liu, B,Greco, V,et al. Asymmetric nuclear matter: The role of the isovector scalar channel[J]. PHYSICAL REVIEW C,2002,65(4):45201.
APA 刘波,Liu, B,Greco, V,Baran, V,Colonna, M,&Di Toro, M.(2002).Asymmetric nuclear matter: The role of the isovector scalar channel.PHYSICAL REVIEW C,65(4),45201.
MLA 刘波,et al."Asymmetric nuclear matter: The role of the isovector scalar channel".PHYSICAL REVIEW C 65.4(2002):45201.
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