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

Abstract : 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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Submitted on : Wednesday, April 27, 2011 - 2:21:57 PM
Last modification on : Friday, September 10, 2021 - 1:50:12 PM

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M. C. Ruivo, Pedro Costa, H. Hansen, C. A. de Sousa. Exploring the role of model parameters and regularization procedures in the thermodynamics of the PNJL model. XIII International Conference on Hadron Spectroscopy (Hadron 2009), Nov 2009, Tallahassee (FL), United States. pp.681-685, ⟨10.1063/1.3483419⟩. ⟨in2p3-00589073⟩

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