Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2002-04-24
Nucl.Phys. A684 (2001) 432-436
Physics
Nuclear Physics
Nuclear Theory
5 pages, 2 figures, talk presented by TTSK at FB16 International Conference, Taipei, Taiwan March 6-10, 2000
Scientific paper
10.1016/S0375-9474(01)00449-3
We study a method by which realistic nucleon-nucleon potentials V_NN can be reduced, in a physically equivalent way, to an effective low-momentum potential V-low-k confined within a cut-off momentum k-cut. Our effective potential is obtained using the folded-diagram method of Kuo, Lee and Ratcliff, and it is shown to preserve the half-on-shell T-matrix. Both the Andreozzi-Lee-Suzuki and the Andreozzi-Krenciglowa-Kuo iteration methods have been employed in carrying out the reduction. Calculations have been performed for the Bonn A and Paris NN potentials, using various choices for k-cut such as 2 fm-1. The deuteron binding energy, low-energy NN phase shifts, and the low-momentum half-on-shell T-matrix given by V_NN are all accurately reproduced by V-low-k. Possible applications of V-low-k directly to nuclear matter and nuclear structure calculations are discussed.
Bogner Scott
Coraggio L.
Kuo Thomas T. S.
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