Nuclear Saturation with Low Momentum Interactions

Details Nuclear Saturation with Low Momentum Interactions Nuclear Saturation with Low Momentum Interactions

2009-04-17

arxiv.org/abs/0904.2663v1

Phys.Rev.C80:037303,2009

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures

Scientific paper

10.1103/PhysRevC.80.037303

Relativistic effects are investigated in nuclear matter calculations employing renormalized low-momentum nucleon-nucleon ($NN$) interactions. It is demonstrated that the relativistic effects cure a problem of non-relativistic low-momentum interactions, which fail to reproduce saturation of nuclear matter. Including relativistic effects, one already obtains saturation in a Hartree-Fock calculation. Brueckner-Hartree-Fock calculations lead to a further improvement of the saturation properties. The results are rather insensitive to the realistic $NN$ interaction on which they are based.

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