The importance of the mixed phase in hybrid stars built with the Nambu-Jona-Lasinio model

Details The importance of the mixed phase in hybrid stars built with the Nambu-Jona-Lasinio model The importance of the mixed phase in hybrid stars built with the Nambu-Jona-Lasinio model

2010-09-15

arxiv.org/abs/1009.2906v2

Eur.Phys.J.A46:413-420,2010

Physics

Nuclear Physics

Nuclear Theory

8 pages, 7 figures, 3 tables

Scientific paper

10.1140/epja/i2010-11059-0

We investigate the structure of hybrid stars based on two different constructions: one is based on the Gibbs condition for phase coexistence and considers the existence of a mixed phase (MP), and the other is based on the Maxwell construction and no mixed phase is obtained. The hadron phase is described by the non-linear Walecka model (NLW) and the quark phase by the Nambu-Jona-Lasinio model (NJL). We conclude that the masses and radii obtained are model dependent but not significantly different for both constructions.

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