Nuclear Structure Calculations with Low-Momentum Potentials in a Model Space Truncation Approach

Details Nuclear Structure Calculations with Low-Momentum Potentials in a Model Space Truncation Approach Nuclear Structure Calculations with Low-Momentum Potentials in a Model Space Truncation Approach

2005-09-23

arxiv.org/abs/nucl-th/0509063v2

Phys.Rev. C73 (2006) 014304

Physics

Nuclear Physics

Nuclear Theory

6 pages, 8 figures, to be published on Physical Review C

Scientific paper

10.1103/PhysRevC.73.014304

We have calculated the ground-state energy of the doubly magic nuclei 4He, 16O and 40Ca within the framework of the Goldstone expansion starting from various modern nucleon-nucleon potentials. The short-range repulsion of these potentials has been renormalized by constructing a low-momentum potential V-low-k. We have studied the connection between the cutoff momemtum Lambda and the size of the harmonic oscillator space employed in the calculations. We have found a fast convergence of the results with a limited number of oscillator quanta.

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