Deformed coordinate-space Hartree-Fock-Bogoliubov approach to weakly bound nuclei and large deformations

摘要: The coordinate-space formulation of the Hartree-Fock-Bogoliubov (HFB) method enables self-consistent treatment mean field and pairing in weakly bound systems whose properties are affected by particle continuum space. Of particular interest neutron-rich, deformed drip-line nuclei, which can exhibit novel associated with neutron skin. To describe such theoretically, we developed an accurate two-dimensional lattice Skyrme-HFB solver HFB-AX based on basis (or B)-splines. Compared to previous implementations, ours incorporated a number improvements aimed at boosting solver's performance. These include explicit imposition axiality space inversion, use modified Broyden solve equations, partial parallelization code. has been compared other HFB codes, both spherical deformed, accuracy B-spline expansion was tested employing multiresolution wavelet method. Illustrative calculations carried out for stable nuclei very shapes, including constrained fission pathways. In addition providing new physics insights, serve as useful tool assess reliability applicability configuration-space frameworks, existing development.