Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1993-11-24
Physics
Nuclear Physics
Nuclear Theory
15 text pages and 2 PostScript figures (available upon request). University of Arizona preprint, Number unassigned
Scientific paper
10.1103/PhysRevC.49.1999
We apply the Lee-Suzuki iteration method to calculate the linked-folded diagram series for a new Nijmegen local NN potential. We obtain an exact starting-energy-independent effective two-body interaction for a multi-shell, no-core, harmonic-oscillator model space. It is found that the resulting effective-interaction matrix elements can be well approximated by the Brueckner G-matrix elements evaluated at starting energies selected in a simple way. These starting energies are closely related to the energies of the initial two-particle states in the ladder diagrams. The ``exact'' and approximate effective interactions are used to calculate the energy spectrum of 6Li in order to test the utility of the approximate form.
Barrett Bruce R.
McCarthy R. J.
Vary James P.
Zheng Dao-Chen
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