Pairing and continuum effects in nuclei close to the drip line

Details Pairing and continuum effects in nuclei close to the drip line Pairing and continuum effects in nuclei close to the drip line

2001-09-19

arxiv.org/abs/nucl-th/0109058v2

Phys.Rev. C64 (2001) 064321

Physics

Nuclear Physics

Nuclear Theory

9 figures, corrected ref. 2

Scientific paper

10.1103/PhysRevC.64.064321

The Hartree-Fock-Bogoliubov (HFB) equations in coordinate representation are solved exactly, i.e., with correct asymptotic boundary conditions for the continuous spectrum. The calculations are preformed with effective Skyrme interactions. The exact HFB solutions are compared with HFB calculations based on box boundary conditions and with resonant continuum Hartree-Fock-BCS (HF-BCS) results. The comparison is done for the neutron-rich Ni isotopes. It is shown that close to the drip line the amount of pairing correlations depends on how the continuum coupling is treated. On the other hand, the resonant continuum HF-BCS results are generally close to those of HFB even in neutron-rich nuclei.

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