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Resonant continuum in extended RMF plus BCS approximation
Cao LG(曹李刚); Cao, LG; Ma, ZY
2004
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号41期号:4页码:583-586
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
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.
关键词resonant continuum relativistic mean-field pairing correlations
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
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
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
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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