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Relativistic Continuum Random Phase Approximation and Applications II. Applications
Authors:YANG Ding  CAO Li-Gang  MA Zhong-Yu
Affiliation:1.China Institute of Atomic Energy, P.O.~Box 275(18), Beijing 102413, China;2.Communication University of China, Beijing 100024, China;3.Center of Theoretical Nuclear Physics, National Laboratory of Heavy Collision,; Lanzhou 730000, China;4.Institute of Modern Physics, Chinese Academy of Science, Lanzhou 730000, China
Abstract:The fully consistent relativistic continuum random phase approximation (RCRPA) has been constructed in the momentum representation in the first part of this paper. In this part we describe the numerical details for solving the Bethe-Salpeter equation. The numerical results are checked by the inverse energy weighted sum rules in the isoscalar giant monopole resonance, which are obtained from the constraint relativistic mean field theory and also calculated with the integration of the RCRPA strengths. Goodagreement between them is achieved. We study the effects of the self-consistency violation, particularly the currents and Coulomb interaction to various collective multipole excitations. Using the fully consistent RCRPA method, we investigate the properties of isoscalar and isovector collective multipole excitations for some stable and exotic from light to heavy nuclei. The properties of the resonances, such as the centroid energies and strength distributions are compared with the experimental data as well as with resultscalculated in other models.
Keywords:Hartree-Fock and random-phase approximations   giant resonances   nuclear matter
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