Charge fluctuations in chiral models and the QCD phase transition
arXiv:1108.1300 · doi:10.1088/0954-3899/38/12/124102
Abstract
We consider the Polyakov loop-extended two flavor chiral quark--meson model and discuss critical phenomena related with the spontaneous breaking of the chiral symmetry. The model is explored beyond the mean-field approximation in the framework of the functional renormalisation group. We discuss properties of the net-quark number density fluctuations as well as their higher cumulants. We show that with the increasing net-quark number density, the higher order cumulants exhibit a strong sensitivity to the chiral crossover transition. We discuss their role as probes of the chiral phase transition in heavy-ion collisions at RHIC and LHC.
4 pages, 3 figures, to appear in the proceedings of Quark Matter 2011, 23-28 May 2011, Annecy, France
References in corpus (7)
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- Probing freeze-out conditions in heavy ion collisions with moments of charge fluctuations
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Cited by in corpus (7)
- Volume fluctuations and higher order cumulants of the net baryon number
- Modeling Finite-Volume Effects and Chiral Symmetry Breaking in Two-Flavor QCD Thermodynamics
- Non-perturbative dynamics and charge fluctuations in effective chiral models
- Volume dependence of baryon number cumulants and their ratios
- Baryon number fluctuations in the 2+1 flavor low energy effective model
- Probing QCD chiral cross over transition in heavy ion collisions with fluctuations
- Effects of finite volume and magnetic fields on thermodynamic properties of quark matter and fluctuations of conserved charges