Neutron star matter in a modified PNJL model
Journal Article
·
· Physics of Atomic Nuclei
- University of Wroclaw, Institute for Theoretical Physics (Poland)
- DESY (Germany)
We discuss a three-flavor Nambu-Jona-Lasinio model for the quark matter equation of state with scalar diquark interaction, isoscalar vector interaction and Kobayashi-Maskawa-'t Hooft interaction. We adopt a phenomenological scheme to include possible effects of a change in the gluon pressure at finite baryon density by including a parametric dependence of the Polyakov-loop potential on the chemical potential. We discuss the results for the mass-radius relationships for hybrid neutron stars constructed on the basis of our model EoS in the context of the constraint from the recently measured mass of (1.97 {+-} 0.04) M{sub Circled-Dot-Operator} for the pulsar PSR J1614-2230.
- OSTI ID:
- 22069422
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 7 Vol. 75; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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