Effects of self-consistency violation in Hartree-Fock RPA calculations for nuclear giant resonances revisited

We provide accurate assessments of the consequences of violations of self-consistency in Hartree-Fock-(HF) based random-phase approximation (RPA) calculations of the centroid energy E{sub cen} of isoscalar and isovector giant resonances of multipolarities L=0-3 in a wide range of nuclei. This is don...

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Published in:Physical review. C, Nuclear physics Nuclear physics, 2006-03, Vol.73 (3), Article 034316
Main Authors: Sil, Tapas, Shlomo, S., Agrawal, B. K., Reinhard, P.-G.
Format: Article
Language:English
Subjects:
COULOMB FIELD
GIANT RESONANCE
HARTREE-FOCK METHOD
ISOVECTORS
L-S COUPLING
MULTIPOLARITY
NUCLEAR PHYSICS AND RADIATION PHYSICS
PARTICLE-HOLE MODEL
RANDOM PHASE APPROXIMATION
SPIN
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description We provide accurate assessments of the consequences of violations of self-consistency in Hartree-Fock-(HF) based random-phase approximation (RPA) calculations of the centroid energy E{sub cen} of isoscalar and isovector giant resonances of multipolarities L=0-3 in a wide range of nuclei. This is done by carrying out highly accurate HF-RPA calculations neglecting the particle-hole (p-h) spin-orbit or Coulomb interaction in the RPA and comparing with the fully self-consistent HF-RPA results. We find that the shifts in the value of E{sub cen} because of self-consistency violation associated with the spin-orbit and Coulomb interactions are comparable or larger than the current experimental errors in E{sub cen}.
doi_str_mv 10.1103/PhysRevC.73.034316
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subjects COULOMB FIELD
GIANT RESONANCE
HARTREE-FOCK METHOD
ISOVECTORS
L-S COUPLING
MULTIPOLARITY
NUCLEAR PHYSICS AND RADIATION PHYSICS
PARTICLE-HOLE MODEL
RANDOM PHASE APPROXIMATION
SPIN
title Effects of self-consistency violation in Hartree-Fock RPA calculations for nuclear giant resonances revisited
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