Solution of relativistic Hartree-Bogoliubov equations in configurational representation: Spherical neutron halo nuclei

Znanstveni rad - Izvorni znanstveni rad

• Autor: M. Stoitsov
• Autor: Peter Ring
• Autor: Dario Vretenar
• Autor: G. A. Lalazissis
• Autorova ustanova: Sveučilište u Zagrebu; Prirodoslovno-matematički fakultet; (Fizički odsjek)
• Znanstveno / umjetničko područje, polje i grana: PRIRODNE ZNANOSTI; Fizika

Sažetak (engleski)

The transformed harmonic oscillator basis (THO) is derived by a local scaling-point transformation of the spherical harmonic-oscillator radial wave functions. The unitary scaling transformation produces a basis with improved asymptotic properties. The THO basis is employed in the solution of the relativistic Hartree-Bogoliubov (RHB) equations in configurational space. The model is applied in the self-consistent mean-field approximation to the description of the neutron halo in Ne isotopes. It is shown that an expansion of nucleon spinors and mean-field potentials in the THO basis reproduces the asymptotic properties of neutron densities calculated by finite element discretization in the coordinate space. In the RHB description of neutron skins and halos, THO bases in two or three dimensions can be a useful alternative to technically complicated solutions on a mesh in coordinate space.

• Ključne riječi (engleski): Hartree-Bogoliubov equations, mean-field approximation, neutron halo
• Jezik: engleski
• Vrsta publikacije: Znanstveni rad - Izvorni znanstveni rad
• Status objave: Objavljen
• Vrsta recenzije: Recenziran - međunarodna recenzija
• Verzija publikacije: Objavljena verzija rada (izdavačev PDF)
• Naslov časopisa: Physical Review C - Nuclear Physics
• Brojčani podaci: vol. 58, br. 4, str. 2086-2091
• p-ISSN: 0556-2813
• e-ISSN: 1089-490X
• DOI: https://doi.org/10.1103/PhysRevC.58.2086
• URN:NBN: urn:nbn:hr:217:671665
• Datum objave publikacije: 1998
• URL dokumenta: http://link.aps.org/doi/10.1103/PhysRevC.58.2086
• Vrsta resursa: Tekst
• Prava pristupa: Otvoreni pristup
• Javna napomena: Copyright (1998) by the American Physical Society.
• Datum i vrijeme pohrane: 2019-10-06 20:24:44