In the SU(3) NJL model, the choice among magnetic field-independent, soft cut-off, and Pauli-Villars regularization strongly changes pressure, specific heat, and sound speed of hot magnetized quark matter, and regularizing the temperature part can produce unphysical behavior.
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Thermomagnetic Effects of Quark Matter in the NJL Model: Application of Regularization Schemes
In the SU(3) NJL model, the choice among magnetic field-independent, soft cut-off, and Pauli-Villars regularization strongly changes pressure, specific heat, and sound speed of hot magnetized quark matter, and regularizing the temperature part can produce unphysical behavior.