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题名: Three-body force effect on the neutron and proton spectral functions in asymmetric nuclear matter
作者: Wang, P;  Zuo, W
刊名: PHYSICAL REVIEW C
出版日期: 2014
卷号: 89, 期号:5, 页码:54319
关键词: SHORT-RANGE CORRELATIONS ;  BETHE-GOLDSTONE EQUATION ;  PAULI EXCLUSION OPERATOR ;  FINITE NUCLEI ;  3-NUCLEON POTENTIALS ;  MOMENTUM ;  STATE ;  ENERGY ;  STRENGTH ;  EXCHANGE
学科分类: Physics
DOI: 10.1103/PhysRevC.89.054319
通讯作者: Wang, P (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
部门归属: [Wang, Pei
英文摘要: We investigate the effect of microscopic three-body forces (TBFs) on the off-shell behavior of the neutron and proton mass operators M-tau (k,omega) = V-tau (k,omega) + iW(tau) (k,omega) in asymmetric nuclear matter within the framework of the extended Brueckner-Hartree-Fock approach. We adopt the Argonne V-18 two-body potential supplemented with a microscopic TBF as the realistic nucleon-nucleon interaction. At high densities well above the normal nuclear matter density, the TBF turns out to affect significantly the off-shell behavior of both the proton and neutron mass operators. The neutron and proton spectral functions in asymmetric nuclear matter are calculated and discussed. At low densities around and below the normal density, the TBF effect on the spectral functions turns out to be negligibly weak. At high densities well above the saturation density, the TBF is shown to affect noticeably the neutron and proton spectral functions.
资助者: 973 Program of China [2007CB815004]; National Natural Science Foundation of China [11175219]; Knowledge Innovation Project of Chinese Academy of Sciences [KJCX2-EW-N01]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000336651100002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15755
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Recommended Citation:
Wang, P,Zuo, W. Three-body force effect on the neutron and proton spectral functions in asymmetric nuclear matter[J]. PHYSICAL REVIEW C,2014,89(5):54319.
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