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Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model


Paar, Nils; Ring, Peter; Nikšić, Tamara; Vretenar, Dario
Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model // Physical review. C, Nuclear physics, 67 (2003), 3/04312; 1-15 (međunarodna recenzija, članak, znanstveni)


Naslov
Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model

Autori
Paar, Nils ; Ring, Peter ; Nikšić, Tamara ; Vretenar, Dario

Izvornik
Physical review. C, Nuclear physics (0556-2813) 67 (2003), 3/04312; 1-15

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Forces in hadronic systems and effective interactions; Hartree-Fock and random-phase approximations; Giant resonances

Sažetak
The relativistic quasiparticle random phase approximation (RQRPA) is formulated in the canonical single-nucleon basis of the relativistic Hartree-Bogoliubov (RHB) model. For the interaction in the particle-hole channel effective Lagrangians with nonlinear meson self-interactions are used, and pairing correlations are described by the pairing part of the finite-range Gogny interaction. The RQRPA configuration space includes the Dirac sea of negative-energy states. Both in the particle-hole and particle-particle channels, the same interactions are used in the RHB calculation of the ground state and in the matrix equations of the RQRPA. The RHB+RQRPA approach is tested in the example of multipole excitations of neutron-rich oxygen isotopes. The RQRPA is applied in the analysis of the evolution of the low-lying isovector dipole strength in Sn isotopes and N = 82 isotones.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
0119250

Ustanove
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Tamara Nikšić (autor)

Avatar Url Nils Paar (autor)

Avatar Url Dario Vretenar (autor)

Citiraj ovu publikaciju

Paar, Nils; Ring, Peter; Nikšić, Tamara; Vretenar, Dario
Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model // Physical review. C, Nuclear physics, 67 (2003), 3/04312; 1-15 (međunarodna recenzija, članak, znanstveni)
Paar, N., Ring, P., Nikšić, T. & Vretenar, D. (2003) Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model. Physical review. C, Nuclear physics, 67 (3/04312), 1-15.
@article{article, year = {2003}, pages = {1-15}, keywords = {Forces in hadronic systems and effective interactions, Hartree-Fock and random-phase approximations, Giant resonances}, journal = {Physical review. C, Nuclear physics}, volume = {67}, number = {3/04312}, issn = {0556-2813}, title = {Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model}, keyword = {Forces in hadronic systems and effective interactions, Hartree-Fock and random-phase approximations, Giant resonances} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus