Quark number susceptibilities: lattice QCD versus PNJL model

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Quark number susceptibilities at finite quark chemical potential are investigated in the framework of the Polyakov-loop-extended Nambu Jona-Lasinio (PNJL) model. A detailed comparison is performed between the available lattice data, extrapolated using a Taylor expansion around vanishing chemical potential, and PNJL results consistently obtained from a Taylor series truncated at the same order. The validity of the Taylor expansion is then examined through a comparison between the full and truncated PNJL model calculations.
8 pages, 2 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/201350

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0701091
 http://arxiv.org/abs/hep-ph/0701091
 Phys.Lett.B649:57-60,2007
 doi:10.1016/j.physletb.2007.03.038

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arXiv