Influence of the isospin and hypercharge chemical potentials on the location of the critical end point in the μb-T phase diagram of the SU(3)L x SU(3)R chiral quark model

P. Kovács, Zs Szép

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

We investigate the influence of the asymmetric quark matter (ρu ρd ρs) on the mass of the quasiparticles and the phase diagram of the chiral quark model parametrized at the 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.

Original languageEnglish
Article number065016
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume77
Issue number6
DOIs
Publication statusPublished - Mar 14 2008

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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