Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2004-05-06
Phys.Rev. C70 (2004) 061002
Physics
Nuclear Physics
Nuclear Theory
4 pages, 4 figures
Scientific paper
10.1103/PhysRevC.70.061002
The effective low-momentum interaction Vlowk is applied to three- and four-nucleon systems. We investigate the 3H, 3He and 4He binding energies for a wide range of the momentum cutoffs. By construction, all low-energy two-body observables are cutoff-independent, and therefore, any cutoff dependence is due to missing three-body or higher-body forces. We argue that for reasonable cutoffs Vlowk is similar to high-order interactions derived from chiral effective field theory. This motivates augmenting Vlowk by corresponding three-nucleon forces. The set of low-momentum twoand three-nucleon forces can be used in calculations of nuclear structure and reactions.
Bogner Scott K.
Nogga Andreas
Schwenk Achim
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