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3P_2-3F_2 pairing in neutron matter with modern nucleon-nucleon potentials

M. Baldo·O. Elgaroey·L. Engvik·M. Hjorth-Jensen·H. -J. Schulze
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Abstract

We present results for the $^3P_2 - ^3F_2$ pairing gap in neutron matter with several realistic nucleon-nucleon potentials, in particular with recent, phase-shift equivalent potentials. We find that their predictions for the gap cannot be trusted at densities above $ρ\approx 1.7ρ_0$, where $ρ_0$ is the saturation density for symmetric nuclear matter. In order to make predictions above that density, potential models which fit the nucleon-nucleon phase shifts up to about 1 GeV are required.

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M. Baldo, O. Elgaroey, L. Engvik, M. Hjorth-Jensen, H. -J. Schulze. 1998-06-29. 3P_2-3F_2 pairing in neutron matter with modern nucleon-nucleon potentials. https://doi.org/10.1103/physrevc.58.1921

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