The quark strange star in the enlarged Nambu-Jona-Lasinio model
R. Manka, I. Bednarek, G. Przybyla
Abstract
The strange quark star is investigated within the enlarged SU(3) Nambu-Jona-Lasinio (NJL). The stable quark star exists till maximal configutation with rhom=3.1, 1015, g/cm3 with Mm=1.61, MSun and Rm=8.74, km is reached. Strange quarks appear for density above rhoc=9.84 g/cm3 for the quark star with radius Rc=8.003 km and Mc=0.77, MSun. The comparison of a quark star properties obtained in the Quark Mean Field (QMF) approach to a neutron star model constructed within the Relativistic Mean Field (RMF) theory is presented.
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