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Exploring the role of model parameters and regularization procedures in the thermodynamics of the PNJL model

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arxiv 1001.3077 v1 pith:47XQVAYK submitted 2010-01-18 hep-ph

Exploring the role of model parameters and regularization procedures in the thermodynamics of the PNJL model

classification hep-ph
keywords modelcriticalparametersregularizationthermodynamicagreementaroundbehavior
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The equation of state and the critical behavior around the critical end point are studied in the context of the Polyakov--Nambu--Jona--Lasinio model. We prove that a convenient choice of the model parameters is crucial to get the correct description of isentropic trajectories. The physical relevance of the effects of the regularization procedure is insured by the agreement with general thermodynamic requirements. The results are compared with simple thermodynamic expectations and lattice data.

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