SU(2) Chiral Sigma Model Study of Phase Transition in Hybrid Stars

Details SU(2) Chiral Sigma Model Study of Phase Transition in Hybrid Stars SU(2) Chiral Sigma Model Study of Phase Transition in Hybrid Stars

2003-07-13

arxiv.org/abs/nucl-th/0307057v1

Mod.Phys.Lett. A18 (2003) 2135-2146

Physics

Nuclear Physics

Nuclear Theory

14 pages, 5 figures

Scientific paper

10.1142/S0217732303011976

We use a modified SU(2) chiral sigma model to study nuclear matter component and simple bag model for quark matter constituting a neutron star. We also study the phase transition of nuclear matter to quark matter with the mixed phase characterized by two conserved charges in the interior of highly dense neutron stars. Stable solutions of Tolman-Oppenheimer-Volkoff equations representing hybrid stars are obtained with a maximum mass of 1.67$M_{\odot}$ and radius around 8.9 km.

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