Hybrid star construction with the extended linear sigma model: preliminary results

Abstract

The interior of compact stars is usually divided into two major parts, the outer part called crust and the inner part called core. There are several possibilities for the composition of these parts. One is a hybrid star, in which the crust contains nuclear matter, while the inner core contains quark matter. Since at large baryon densities one can work with effective models, and nuclear and quark matter are usually described by different models, some unification of the two parts is needed. We show two different approaches for a composite model and some recent developments in hybrid star constructions using the extended linear sigma model for modeling the quark matter at the core.

Phytoplankton and Zooplankton Diversity and Water Quality Assessment of Three Ponds in Hooghly District (West Bengal, India)

“…Due to the fact that strange stars can release gravitational wave echoes, it is acceptable to acquire more about the equation of state (EoS) of quark matter by studying the gravitational waves they emit [41,42]. Hadronquark transition can be described in a variety of ways, some of which have already been explored in previous studies [43][44][45][46]. In order to characterize strange matter inside strange stars, the MIT bag model was developed, where color confinement has been proposed to be a bag, and a bag constant (B g ) is taken into consideration in order to determine the size of the bag [47].…”