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

Abstract

We present results for the ${}^3{P}_2{-}^3{F}_2$ 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 $\rho \approx 1.7{\rho }_0$, where ${\rho }_0$ 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.

Revtex style, 19 pages, 6 figures inluded

References in corpus (4)

• Nucleon-nucleon elastic scattering analysis to 2.5 GeV
• Modern nucleon-nucleon potentials and symmetry energy in infinite matter
• Nucleon-Nucleon Phase Shifts and Pairing in Neutron Matter and Nuclear Matter
• ^1S_0 pairing correlations in relativistic nuclear matter and the two-nucleon virtual state

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