Journal
PHYSICS LETTERS B
Volume 491, Issue 3-4, Pages 245-252Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0370-2693(00)01053-4
Keywords
local energy-density functional; pairing correlations; localized states in the continuum; drip-line nuclei; neutron halo
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The Hartree-Fock-Bogolyubov (HFB) problem for the cutoff local energy-density functional is served numerically by using the Gor'kov formalism with an exact treatment of the particle continuum. The contributions from the resonant and gas continuum to the spectral density of the HFB eigenstates as well as the shifting and broadening of the discrete HF hole Ca-70. The structure of the neutron orbitals are clearly demonstrated with the illustrative example of the drip-line nucleus density distribution in the localized ground state is analyzed, and the formation of its extended tail (halo) is shown to be a collective pairing effect. (C) 2000 Published by Elsevier Science B.V.
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