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Random Phase Approximation in Relativistic Approach
  • 时间：0
  • 分类：O571[理学—粒子物理与原子核物理;理学—物理]
  • 相关基金：National Natural Science Foundation of China(10775183,10535010);Major State Basic Research Development Programme of China(2007CB815000)
  • 相关项目：连续和准粒子相对论无规位相近似研究
关键词： fully, CONSISTENT, RRPA, COUPLING, to, the, CONTINUUM, PAIRING, CORRELATION
中文摘要：

Some special issues of the random phase approximation(RPA) in the relativistic approach are reviewed. A full consistency and proper treatment of coupling to the continuum are responsible for the successful application of the RPA in the description of dynamical properties of finite nuclei. The fully consistent relativistic RPA(RRPA) requires that the relativistic mean filed (RMF) wave function of the nucleus and the RRPA correlations are calculated in a same effective Lagrangian and the consistent treatment of the Dirac sea of negative energy states. The proper treatment of the single particle continuum with scattering asymptotic conditions in the RMF and RRPA is discussed. The full continuum spectrum can be described by the single particle Green’s function and the relativistic continuum RPA is established. A separable form of the paring force is introduced in the relativistic quasi-particle RPA.

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