Equation of state and hybrid star properties with the weakly interacting light U-boson in relativistic models

14 Jun 2016 Zhang Dong-Rui Jiang Wei-Zhou Wei Si-Na Yang Rong-Yao Xiang Qian-Fei

It has been a puzzle whether quarks may exist in the interior of massive neutron stars, since the hadron-quark phase transition softens the equation of state (EOS) and reduce the neutron star (NS) maximum mass very significantly. In this work, we consider the light U-boson that increases the NS maximum mass appreciably through its weak coupling to fermions... (read more)

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Categories


  • NUCLEAR THEORY
  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS