Resonant continuum in extended RMF plus BCS approximation
Cao LG(曹李刚); Cao, LG; Ma, ZY
刊名COMMUNICATIONS IN THEORETICAL PHYSICS
2004
卷号41期号:4页码:583-586
关键词resonant continuum relativistic mean-field pairing correlations
学科分类Physics
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; China Inst Atom Energy, Beijing 102413, Peoples R China ; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
文章类型Article
英文摘要The contribution of the resonant continuum to pairing correlations is investigated in the relativistic mean field theory plus Bardeen-Cooper-Schrieffer (BCS) approximation with a constant pairing strength. The resonance states with their widths in the continuum are considered explicitly. The numerical study is performed in an effective Lagrangian with the parameter set NLSH for neutron-rich nucleus Ni-84. The results show that the effect of the proper treatment of the resonant continuum on pairing correlations for nucleus close to neutron drip line is important. It is found that the problem of an unphysical particle gas could be overcome when the pairing correlation is performed by using the resonant states instead of the discretized states in the continuum.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000221147400021
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238024
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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Cao LG,Cao, LG,Ma, ZY. Resonant continuum in extended RMF plus BCS approximation[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2004,41(4):583-586.
APA 曹李刚,Cao, LG,&Ma, ZY.(2004).Resonant continuum in extended RMF plus BCS approximation.COMMUNICATIONS IN THEORETICAL PHYSICS,41(4),583-586.
MLA 曹李刚,et al."Resonant continuum in extended RMF plus BCS approximation".COMMUNICATIONS IN THEORETICAL PHYSICS 41.4(2004):583-586.
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