Influence of the isospin and hypercharge chemical potentials on the location of the CEP in the muB-T phase diagram of the SU(3)L x SU(3)R chiral quark model
Abstract
We investigate the influence of the asymmetric quark matter (rhou rhod rhos) on the mass of the quasiparticles and the phase diagram of the chiral quark model parametrized at one-loop level of the renormalized theory, using the optimized perturbation theory for the resummation of the perturbative series. The effect of various chemical potentials introduced in the grand canonical ensemble is investigated with the method of relativistic many-body theory. The temperature dependence of the topological susceptibility is estimated with the help of the Witten-Veneziano mass formula.
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