Collective Excitations and Pairing Effects in Drip-Line Nuclei -- Continuum RPA in Coordinate-Space HFB --

Details Collective Excitations and Pairing Effects in Drip-Line Nuclei -- Continuum RPA in Coordinate-Space HFB -- Collective Excitations and Pairing Effects in Drip-Line Nuclei -- Continuum RPA in Coordinate-Space HFB --

2002-02-08

arxiv.org/abs/nucl-th/0202024v1

Prog.Theor.Phys.Suppl.146:110-119,2003

Physics

Nuclear Physics

Nuclear Theory

PTPTeX, 10 pages, 8 figures, talk at the Yukawa International Seminar 2001 (YKIS01) on "Physics of Unstable Nuclei", November

Scientific paper

10.1143/PTPS.146.110

We discuss novel features of a new continuum RPA formulated in the coordinate-space Hartree-Fock-Bogoliubov framework. This continuum quasiparticle RPA takes into account both the one- and two-particle escaping channels. The theory is tested with numerical calculations for monopole, dipole and quadrupole excitations in neutron-rich oxygen isotopes near the drip-line. Effects of the particle-particle RPA correlation caused by the pairing interaction are discussed in detail, and importance of the selfconsistent treatment is emphasized.

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