Properties of dense nuclear and neutron matter with relativistic nucleon-nucleon interactions

Details Properties of dense nuclear and neutron matter with relativistic nucleon-nucleon interactions Properties of dense nuclear and neutron matter with relativistic nucleon-nucleon interactions

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvc..45.2782l&link_type=abstract

Physical Review C (Nuclear Physics), Volume 45, Issue 6, June 1992, pp.2782-2794

Physics

Nuclear Physics

82

Nuclear Matter, Neutron Stars

Scientific paper

Within the framework of the Dirac-Brueckner (DB) approach, the properties of dense nuclear and neutron matter are investigated using realistic nucleon-nucleon (NN) interactions which are derived from relativistic meson-field theory and describe the two-nucleon system quantitatively. Single-particle potentials, equations of state, nucleon effective masses, Landau parameters, and speeds of sound are calculated and analyzed as functions of density, for both nuclear and neutron matter. In the DB approach, the equation of state comes out stiffer than in the most sophisticated nonrelativistic calculation, but softer than in the Walecka model. Possible extensions of the present approach to nucleon-nucleus scattering and nucleus-nucleus collisions are also discussed.

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