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Multiple Critical Points in Effective Quark Models
Lorenzo Ferroni, Volker Koch, Marcus B. Pinto
We consider the two flavor version of the Linear Sigma Model as well as of the Nambu Jona-Lasinio model, at finite temperature and quark chemical potential, beyond the Mean Field A…
Radiatively Induced Non Linearity in the Walecka Model
Rafael Cavagnoli, Marcus Benghi Pinto
We evaluate the effective potential for the conventional linear Walecka non perturbatively up to one loop. This quantity is then renormalized with a prescription which allows finit…
Thermodynamics and Phase Structure of the Two-Flavor Nambu--Jona-Lasinio Model Beyond Large-N_c
Jean-Loic Kneur, Marcus Benghi Pinto, Rudnei O. Ramos
The optimized perturbation theory (OPT) method is applied to the version of the Nambu--Jona-Lasinio (NJL) model both at zero and at finite temperature and/or density. At th…