Hartree-Fock-Bogoliubov descriptions of deformed weakly-bound nuclei in large coordinate spaces

TL;DR

This paper investigates how large coordinate-space boxes affect Hartree-Fock-Bogoliubov calculations of weakly-bound deformed nuclei, emphasizing the importance of box size for accurately modeling exotic nuclear phenomena.

Contribution

It demonstrates the significance of large-box calculations in accurately describing weakly-bound deformed nuclei and their exotic features like halos and stability peninsulas.

Findings

Box size significantly influences pairing properties.

Large boxes are essential for modeling deformed halos.

Accurate continuum spectra require large coordinate spaces.

Abstract

Weakly-bound deformed nuclei have been studied by the Skyrme Hartree-Fock-Bogoliubov (HFB) approach in large coordinate-space boxes. In particular, the box-size dependence of the HFB calculations of weakly-bound deformed nuclei are investigated, including the particle density and pairing density distributions at nuclear surfaces, the near-threshold resonant and continuum quasiparticle spectra, and energetic properties. The box size may have larger influences in pairing properties than in other bulk properties. We demonstrate that large-box calculations of weakly-bound nuclei are important to precisely describe exotic phenomena such as deformed halos and peninsulas of stability beyond drip lines.