Asymmetric nuclear matter and neutron star properties

Abstract

We calculate properties of neutron stars such as mass and radius using a relativistic Dirac-Brueckner-hartree-Fock apprach for asymmetric nuclear matter. For pure neutron matter we find the maximum mass to be 2.4 solar masses with a radius of 12 km. For a proton fraction of 30% we find a max mass of 2.1 solar masses and a radius of 10.5 km. The implications are discussed.

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