Modified MIT Bag Models—part II: QCD phase diagram and hot quark stars

In the present work we use the modified versions of the MIT bag model, on which both a vector field and a self-interacting term are introduced, to obtain hot quark matter and to investigate the QCD phase diagram. We first analyze two-flavored quark matter constrained to both the freeze-out and the l...

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Veröffentlicht in:	Physica scripta 2021-06, Vol.96 (6), p.65302
Hauptverfasser:	Lopes, Luiz L, Biesdorf, Carline, Marquez, K D, Menezes, Débora P
Format:	Artikel
Sprache:	eng
Schlagworte:	freeze-out liquid-gas phase transition Modified MIT Bag model Nambu-Jona-Lasinio model QCD phase diagram quark star strange quark matter
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description	In the present work we use the modified versions of the MIT bag model, on which both a vector field and a self-interacting term are introduced, to obtain hot quark matter and to investigate the QCD phase diagram. We first analyze two-flavored quark matter constrained to both the freeze-out and the liquid-gas phase transition at the hadronic phase. Later, three-flavored quark matter subject to β equilibrium and charge neutrality is used to compute quark star macroscopic properties, which are confronted with recent observational massive and canonical star radius results. Finally, a comparison with QCD phase diagrams obtained from the Nambu-Jona-Lasinio model is performed.
doi_str_mv	10.1088/1402-4896/abef35
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subjects	freeze-out liquid-gas phase transition Modified MIT Bag model Nambu-Jona-Lasinio model QCD phase diagram quark star strange quark matter
title	Modified MIT Bag Models—part II: QCD phase diagram and hot quark stars
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