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题名: Sum rule in a consistent relativistic random-phase approximation
作者: Ma, ZY
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1999
卷号: 32, 期号:4, 页码:493-498
关键词: MEAN-FIELD THEORY ;  FINITE NUCLEI ;  GIANT-RESONANCES ;  MATTER ;  COMPRESSIBILITY ;  DENSITY ;  MODEL
学科分类: Physics
通讯作者: Ma, ZY , Inst Atom Energy, Beijing 102413, Peoples R China.
部门归属: Inst Atom Energy, Beijing 102413, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Nucl Theoret Phys, Lanzhou 730000, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: A fully consistent relativistic random-phase approximation (RRPA) is studied in the sense that the relativistic mean-field (RMF) wavefunction of nucleus and the particle-hole residual interactions in the RRPA are calculated from the same effective Lagrangian. A consistent treatment of RRPA within the RMF approximation, i.e., no sea approximation, has to include also the pairs formed from the Dirac states and occupied Fermi states, which is essential for satisfying the current conservation. The inverse energy-weighted sum rule for the isoscalar giant monopole mode is investigated in the constrained RMF. It is found that the sum rule is fulfilled only in the case where the Dirac state contributions are included.
收录类别: SCI
WOS记录号: WOS:000084502200003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13049
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Ma, ZY. Sum rule in a consistent relativistic random-phase approximation[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1999,32(4):493-498.
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