Thermodynamics of the PNJL model

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dc.creatorRatti, C.
dc.creatorRoessner, S.
dc.creatorThaler, M. A.
dc.creatorWeise, W.
dc.date2006-09-21
dc.date.accessioned2026-07-07T11:27:07Z
dc.date.available2026-07-07T11:27:07Z
dc.descriptionQCD thermodynamics is investigated by means of the Polyakov-loop-extended Nambu Jona-Lasinio (PNJL) model, in which quarks couple simultaneously to the chiral condensate and to a background temporal gauge field representing Polyakov loop dynamics. The behaviour of the Polyakov loop as a function of temperature is obtained by minimizing the thermodynamic potential of the system. A Taylor series expansion of the pressure is performed. Pressure difference and quark number density are then evaluated up to sixth order in quark chemical potential, and compared to the corresponding lattice data. The validity of the Taylor expansion is discussed within our model, through a comparison between the full results and the truncated ones.
dc.description6 pages, 5 figures, Talk given at the Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions (Hot Quarks 2006), Villasimius, Italy, 15-20 May 2006
dc.identifierhttps://arxiv.org/abs/hep-ph/0609218
dc.identifierhttp://arxiv.org/abs/hep-ph/0609218
dc.identifierEur.Phys.J.C49:213-217,2007
dc.identifierdoi:10.1140/epjc/s10052-006-0065-x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196050
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThermodynamics of the PNJL model
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