dorsal/arxiv
View SchemaEffects of self-consistency violation in Hartree-Fock RPA calculations for nuclear giant resonances revisited
| Authors | Tapas Sil, S. Shlomo, B. K. Agrawal, P. -G. Reinhard |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0601091 |
| URL | https://arxiv.org/abs/nucl-th/0601091 |
| DOI | 10.1103/PhysRevC.73.034316 |
| Journal | Phys.Rev. C73 (2006) 034316 |
Abstract
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 $E_{cen}$ of isoscalar and isovector giant resonances of multi-polarities $L=0-3$ in a wide range of nuclei. This is done by carrying out highly accurate HF-RPA calculations neglecting the particle-hole (ph) 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 $E_{cen}$ due to self-consistency violation associated with the spin-orbit and Coulomb interactions are comparable or larger than the current experimental errors in $E_{cen}$.
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"abstract": "We provide accurate assessments of the consequences of violations of\nself-consistency in Hartree-Fock (HF) based random phase approximation (RPA)\ncalculations of the centroid energy $E_{cen}$ of isoscalar and isovector giant\nresonances of multi-polarities $L=0-3$ in a wide range of nuclei. This is done\nby carrying out highly accurate HF-RPA calculations neglecting the\nparticle-hole (ph) spin-orbit or Coulomb interaction in the RPA and comparing\nwith the fully self-consistent HF-RPA results. We find that the shifts in the\nvalue of $E_{cen}$ due to self-consistency violation associated with the\nspin-orbit and Coulomb interactions are comparable or larger than the current\nexperimental errors in $E_{cen}$.",
"arxiv_id": "nucl-th/0601091",
"authors": [
"Tapas Sil",
"S. Shlomo",
"B. K. Agrawal",
"P. -G. Reinhard"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.73.034316",
"journal_ref": "Phys.Rev. C73 (2006) 034316",
"title": "Effects of self-consistency violation in Hartree-Fock RPA calculations for nuclear giant resonances revisited",
"url": "https://arxiv.org/abs/nucl-th/0601091"
},
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