Quarks stars in SU(2) Nambu-Jona-Lasinio model with vector coupling

Details Quarks stars in SU(2) Nambu-Jona-Lasinio model with vector coupling Quarks stars in SU(2) Nambu-Jona-Lasinio model with vector coupling

2010-01-08

arxiv.org/abs/1001.1313v1

Nucl.Phys.Proc.Suppl.199:325-328,2010

Physics

Nuclear Physics

Nuclear Theory

4 pages, 4 figures; prepared for Light Cone 2009: Relativistic Nuclear and Particle Physics (LC2009), Sao Jose dos Campos, Bra

Scientific paper

10.1016/j.nuclphysbps.2010.02.05

In this work we study the Nambu-Jona-Lasinio model in the SU (2) version with repulsive vector coupling and apply it to quark stellar matter. We discuss the influence of the vector interaction on the equation of state (EoS) and study quark stars that are composed of pure quark matter with two flavors. We show that, increasing the vector coupling, we obtain more massive stars with larger radii for the same central energy density.

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