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Finite-temperature quarkyonic matter with an excluded volume model

Feb 25, 2020

14 pages

Published in:

Nucl.Phys.A 1006 (2021) 122059

Published: Feb, 2021

e-Print:

2002.11133 [nucl-th]

DOI:

10.1016/j.nuclphysa.2020.122059

Report number:

INT-PUB-20-006

View in:

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Abstract: (Elsevier)

We introduce a theoretical framework to analyze the thermal properties of a recently proposed “excluded volume” model of quarkyonic matter. This entails proposing finite temperature distribution functions and entropy functionals constrained by internal theoretical consistency. We use the formalism developed here to analyze the effect of temperature on the quark onset as a function of baryon density. We find that the baryon density at which the quarkyonic phase emerges decreases only slightly with temperature, an effect produced by large Nc . We furthermore find that a finite temperature increases the density of quarks produced. The framework presented here can be used to compute the equation of state of hot and dense quarkyonic matter which is of relevance to neutron star mergers.

Note:

14 pages, 6 figures

Quarkyonic matter
Excluded volume model
Neutron star merger
quark: density
quark: matter
nucleus: interaction
quark: deconfinement
neutron star: binary
temperature: effect
baryon: density

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Figures(6)

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