Equation of State for Dense Matter with a QCD Phase Transition (CROSBI ID 254350)
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Benić, Sanjin
engleski
Equation of State for Dense Matter with a QCD Phase Transition
We construct a dense matter equation of state (EoS) starting from a hadronic density dependent relativistic mean-field model with a DD2 parametrization including the excluded volume corrections at low densities. The high density part is given by a Nambu–Jona–Lasinio (NJL) model with multi-quark interactions. This EoS is characterized by increasing speed of sound below and above the phase transition region. The first order transition region has a large latent heat leaving a distinctive signature in the mass-radii relations in terms of twin stars.
neutron star ; equation of state ; phase transition ; quark matter
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