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Resonant continuum in extended RMF plus BCS approximation
Cao, LG; Ma, ZY; Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
2004
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号41期号:4页码:583-586
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.
部门归属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
关键词Drip-line Nuclei
学科领域Physics
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收录类别SCI
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.itp.ac.cn/handle/311006/14093
专题理论物理所1978-2010年知识产出
通讯作者Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
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GB/T 7714
Cao, LG,Ma, ZY,Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.. Resonant continuum in extended RMF plus BCS approximation[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2004,41(4):583-586.
APA Cao, LG,Ma, ZY,&Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China..(2004).Resonant continuum in extended RMF plus BCS approximation.COMMUNICATIONS IN THEORETICAL PHYSICS,41(4),583-586.
MLA Cao, LG,et al."Resonant continuum in extended RMF plus BCS approximation".COMMUNICATIONS IN THEORETICAL PHYSICS 41.4(2004):583-586.
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