Gluon matter plasma in the compact star core within fluid QCD model

TL;DR

This paper models the gluon matter plasma in compact star cores using a fluid QCD approach, deriving an equation of state and analyzing pressure, density, and phase transition properties.

Contribution

It introduces a novel fluid QCD framework to describe gluonic plasma in star cores, providing analytical solutions and a new equation of state for such extreme matter.

Findings

Derived a new equation of state for gluonic plasma

Analytical solutions for pressure and density distributions

Discussion of phase transition near the core surface

Abstract

The structure of compact star core filled by gluon matter plasma is investigated within the fluid-like QCD framework. The energy momentum tensor, density and pressure relevant for gluonic plasma having the nature of fluid bulk of gluon sea are derived within the model. It is shown that the model provides a new equation of state for perfect fluid with only a single parameter of fluid distribution {\phi}(x). The results are applied to construct the equation of state describing the gluonic plasma dominated compact star core. The equations of pressure and density distribution are solved analytically for small compact star core radius. The phase transition of plasma near the core surface is also discussed.