Speed of sound in the QGP and an SU(3) Yang-Mills theory

Speed of sound in the QGP and an SU(3) Yang-Mills theory

The speed of sound Cs in the SU(3) and (2+1) QCD is calculated within the field correlator method using the nonperturbative color magnetic confinement and Polyakov loop interaction in the deconfined region.The resulting Cs displays a discontinuity at T=Tc in the SU(3) case. It is shown numerically a...

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Veröffentlicht in:Physical review. D 2018-10, Vol.98 (7), p.074031, Article 074031
Hauptverfasser: Khaidukov, Z. V., Lukashov, M. S., Simonov, Yu. A.
Format: Artikel
Sprache:eng
Schlagworte:
Chemical potential
Organic chemistry
Yang-Mills theory
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Zusammenfassung:The speed of sound Cs in the SU(3) and (2+1) QCD is calculated within the field correlator method using the nonperturbative color magnetic confinement and Polyakov loop interaction in the deconfined region.The resulting Cs displays a discontinuity at T=Tc in the SU(3) case. It is shown numerically and analytically that Cs2 never exceeds 13 both for SU(3) and (2+1) QCD for vanishing chemical potential. A good agreement is found of our numerical results with the corresponding lattice data.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.98.074031