Improved nuclear matter calculations from chiral low-momentum interactions

Details Improved nuclear matter calculations from chiral low-momentum interactions Improved nuclear matter calculations from chiral low-momentum interactions

2010-12-15

arxiv.org/abs/1012.3381v2

Phys.Rev.C83:031301,2011

Physics

Nuclear Physics

Nuclear Theory

5 pages, 4 figures

Scientific paper

10.1103/PhysRevC.83.031301

We present new nuclear matter calculations based on low-momentum interactions derived from chiral effective field theory potentials. The current calculations use an improved treatment of the three-nucleon force contribution that includes a corrected combinatorial factor beyond Hartree-Fock that was omitted in previous nuclear matter calculations. We find realistic saturation properties using parameters fit only to few-body data, but with larger uncertainty estimates from cutoff dependence and the 3NF parametrization than in previous calculations.

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