We study the thermodynamics of the Polyakov--Nambu--Jona-Lasinio model considering the effects of an effective chiral chemical potential. We offer a new parametrization of the Polyakov loop potential depending on temperature and the chemical potential which, when used together with a proper regularization scheme of vacuum contributions, predicts results consistent with those from lattice simulations.
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Azeredo et al. (2024) studied this question.
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