Continuum HFB calculations with finite range pairing interactions

Details Continuum HFB calculations with finite range pairing interactions Continuum HFB calculations with finite range pairing interactions

2001-12-20

arxiv.org/abs/nucl-th/0112061v2

Phys.Lett. B535 (2002) 103-108

Physics

Nuclear Physics

Nuclear Theory

3 figures, in press, Phys. Lett. B

Scientific paper

10.1016/S0370-2693(02)01719-7

A new method of calculating pairing correlations in coordinate space with finite range interactions is presented. In the Hartree-Fock-Bogoliubov (HFB) approach the mean field part is derived from a Skyrme-type force whereas the pairing field is constructed with a Gogny force. An iterative scheme is used for solving the integro-differential HFB equations via the introduction of a local equivalent potential. The method is illustrated on the case of the nucleus $^{18}$C. It is shown that the results are insensitive to the cut off value in the quasiparticle spectrum if this value is above 100 MeV.

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