2015, 2008, English, Article, Journal or magazine article edition: Pairing vibrations study with the time-dependent Hartree-Fock-Bogoliubov theory Avez, B.; Simenel, Cedric; Chomaz, Ph.

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Bookmark: http://trove.nla.gov.au/version/221359721
Physical Description
  • journal article
Published
  • American Physical Society, 2015-12-13T22:55:05Z 2008 2015-12-11T11:08:08Z
Language
  • English

Edition details

Title
  • Pairing vibrations study with the time-dependent Hartree-Fock-Bogoliubov theory
Author
  • Avez, B.
  • Simenel, Cedric
  • Chomaz, Ph.
Published
  • American Physical Society, 2015-12-13T22:55:05Z 2008 2015-12-11T11:08:08Z
Physical Description
  • journal article
Part Of
  • Physical Review C: Nuclear Physics
Summary
  • We study pairing vibrations in O18,20,22 and Ca42,44,46 nuclei solving the time-dependent Hartree-Fock-Bogoliubov equation in coordinate space with spherical symmetry. We use the SLy4 Skyrme functional in the normal part of the energy density functional and a local density dependent functional in its pairing part. Pairing vibrations are excited by two-neutron transfer operators. Strength distributions are obtained using the Fourier transform of the time-dependent response of two-neutron pair-transfer observables in the linear regime. Results are in overall agreement with quasiparticle random phase approximation calculations for oxygen isotopes, though differences appear when increasing the neutron number. Both low-lying pairing modes and giant pairing vibrations (GPV) are discussed. The GPV is observed in the oxygen but not in the calcium isotopes.
Language
  • English
Identifier
  • oai:digitalcollections.anu.edu.au:1885/​82382
  • oai:openresearch-repository.anu.edu.au:1885/​82382
  • 0556-2813
  • 10.1103/​PhysRevC.78.044318

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