KIDS density functional for deformed nuclei: Examples of the even-even Nd isotopes
arXiv:2103.16135 · doi:10.1007/s40042-022-00504-z
Abstract
Background: A global description of the ground-state properties of nuclei in a wide mass range in a unified manner is desirable not only for understanding exotic nuclei but for providing nuclear data for applications. Purpose: We demonstrate the KIDS functional describes the ground states appropriately with respect to the existing data and predictions for a possible application of the functional to all the nuclei by taking Nd isotopes as examples. Method: The Kohn-Sham-Bogoliubov equation is solved for the Nd isotopes with the neutron numbers ranging from 60 to 160 by employing the KIDS functionals constructed to satisfy both neutron-matter equation of state or neutron star observation and selected nuclear data. Results: Considering the nuclear deformation improves the description of the binding energies and radii. We find that the discrepancy from the experimental data is more significant for neutron-rich/deficient isotopes and this can be made isotope independent by changing the slope parameter of the symmetry energy. Conclusions: The KIDS functional is applied to the mid-shell nuclei for the first time. The onset and evolution of deformation are nicely described for the Nd isotopes. The KIDS functional is competent to a global fitting for a better description of nuclear properties in the nuclear chart.
References in corpus (15)
- Nuclear mass predictions based on Bayesian neural network approach with pairing and shell effects
- Axially deformed solution of the Skyrme-Hartree-Fock-Bogolyubov equations using the transformed harmonic oscillator basis (II) HFBTHO v2.00d: a new version of the program
- Further improvements on a global nuclear mass model
- Khon-Sham Density Functional Inspired Approach to Nuclear Binding
- Current Status and Future Potential of Nuclide Discoveries
- Microscopically-based energy density functionals for nuclei using the density matrix expansion: Implementation and pre-optimization
- Dipole responses in Nd and Sm isotopes with shape transitions
- Linear response of light deformed nuclei investigated by self-consistent quasiparticle random-phase-approximation
- Density Functional Theory for a Confined Fermi System with Short-Range Interaction
- The Kinetic Energy Density in Kohn-Sham Density Functional Theory
- Effective Field Theory for Dilute Fermions with Pairing
- EoS constraints from nuclear masses and radii in a meta-modeling approach
- Analysis of nuclear structure in a converging expansion scheme
- A new mass model for nuclear astrophysics: crossing 200 keV accuracy
- Compression modulus and symmetry energy of nuclear matter with KIDS density functional