QUASIPARTICLE RANDOM PHASE APPROXIMATION BASED ON THE RELATIVISTIC HARTREE-BOGOLIUBOV MODEL. II. NUCLEAR SPIN AND ISOSPIN EXCITATIONS

By Nils Paar, Tamara Niksic, D. Vretenar, P. Ring. 2004

173 citations recorded by the source corpus.

The proton-neutron relativistic quasiparticle random-phase approximation (PN-RQRPA) is formulated in the canonical single-nucleon basis of the relativistic Hartree-Bogoliubov model, for an effective Lagrangian characterized by density-dependent meson-nucleon couplings. The model includes both the T = 1 and T = 0 pairing channels. Pair configurations formed from the fully or partially occupied states of positive energy in the Fermi sea, and the empty negative-energy states from the Dirac sea, are included in PN-RQRPA configuration space. The model is applied to the analysis of charge-exchange modes: isobaric analog resonances and Gamow-Teller resonances.

Subfields: Nuclear and High Energy Physics, Spectroscopy

View Paper: https://www.semanticscholar.org/paper/1e3dc867566bbce1be64d70bbcce0d40ada2e393

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Citations in the corpus

• Mean field and beyond description of nuclear structure with the Gogny force: a review (2018, methodology): “Due to the large computational cost of the AMP, this kind of symmetry restoration has been only carried out in a PAV approach with the most sophisticated EDFs (Skyrme, Gogny, RMF).”