Neutron drops and Skyrme energy-density functionals
Journal Article
·
· Physical Review Letters
- Department of Physics, University of Illinois, Urbana, Illinois 61801-3080 (United States)
The {ital J}{sup {pi}}=0{sup +} ground state of a drop of 8 neutrons and the lowest 1/2{sup {minus}} and 3/2{sup {minus}} states of 7-neutron drops, all in an external well, are computed accurately with variational and Green{close_quote}s function Monte Carlo methods for a Hamiltonian containing the Argonne {ital v}{sub 18} two-nucleon and Urbana IX three-nucleon potentials. These states are also calculated using Skyrme-type energy-density functionals. Commonly used functionals overestimate the central density of these drops and the spin-orbit splitting of 7-neutron drops. Improvements in the functionals are suggested. {copyright} {ital 1996 The American Physical Society.}
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 284463
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 14 Vol. 76; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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