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artículo con referato
"Nonlocal chiral quark models with Polyakov loop at finite temperature and chemical potential"
G. Contrera, M. Orsaria and N.N. Scoccola
Int. J. Mod. Phys. D 19(8-10) (2010) 1703-1709
We analyze the chiral restoration and deconfinement transitions in the framework of a non-local chiral quark model which includes terms leading to the quark wave function renormalization, and takes care of the effect of gauge interactions by coupling the quarks with the Polyakov loop. Non-local interactions are described by considering both a set of exponential form factors, and a set of form factors obtained from a fit to the mass and renormalization functions obtained in lattice calculations.
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