Quark-Gluon Plasma in Neutron Stars

Details Quark-Gluon Plasma in Neutron Stars Quark-Gluon Plasma in Neutron Stars

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ara..conf...55j&link_type=abstract

ASTRONOMY AND RELATIVISTIC ASTROPHYSICS New Phenomena and New States of Matter in the Universe. Proceedings of the Third Worksho

Astronomy and Astrophysics

Astrophysics

Quark-Gluon Plasma, Phase Transition, Neutron Stars

Scientific paper

This work is a study of nuclear matter at high densities considering the hadronic and quark phases at zero temperature. We describe the hadron-meson phase using a phenomenological Lagrangian which exhibits a parametrization, through mathematical constants, of the intensity of the meson-nucleon coupling. We have included into the formalism the chemical equilibrium equations, lepton degrees of freedom, the fundamental octet of baryons and the charge neutrality condition. In the quark matter study, we have considered the classic MIT bag model with a constant bag pressure. Phase transition is determined by the Gibbs criteria. The influence of the model couplings in the determination of the phase transition density is discussed. We have also calculated maximum mass and radius for hybrid stars.

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