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Maximum mass of neutron stars

Authors: H.-J. Schulze, A. Polls, A. Ramos & I. Vidaña

Ref.: Phys. Rev. C 73, 058801 (2006)

Abstract: We determine the structure of neutron stars within a Brueckner-Hartree-Fock approach based on realistic nucleon-nucleon, nucleon-hyperon, and hyperon-hyperon interactions. Our results indicate rather low maximum masses below 1.4 solar masses. This feature is insensitive to the nucleonic part of the EOS due to a strong compensation mechanism caused by the appearance of hyperons and represents thus strong evidence for the presence of nonbaryonic “quark” matter in the interior of heavy stars.

DOI: 10.1103/PhysRevC.73.058801