Fluctuations in Hadronizing QGP

Abstract

The dynamical development of the cooling and hadronizing quark-gluon Plasma (QGP) is studied in a simple model assuming critical fluctuations in the QGP to Hadronic Matter (HM) and a first order transition in a small finite system. We consider an earlier determined free-energy density curve in the neighbourhood of the critical point, with two local minima corresponding to the equilibrium hadronic and QGP configurations. In this approach the divergence at e = 0 eliminates fluctuations with negative or zero energy. The barrier between the equilibrium states is obtained from an estimated value of the surface tension between the two phases. We obtain a characteristic behavior for the skewness and the kurtosis of energy density fluctuations, which can be studied via a beam energy scan program.

5 pages, 5 figures

References in corpus (8)

• On the Strongly-Interacting Low-Viscosity Matter Created in Relativistic Nuclear Collisions
• QCD at finite chemical potential with six time slices
• Matching Stages of Heavy Ion Collision Models
• Study of the Fluctuations of Net-charge and Net-protons Using Higher Order Moments
• Higher moment singularities explored by the net proton non-statistical fluctuations
• The Effect of Dynamical Parton Recombination on Event-by-Event Observables
• Higher Moments of Net-Baryon Distribution as Probes of QCD Critical Point
• Non-equilibrium hadronization and constituent quark number scaling

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• Investigating Dirty Crossover through Fidelity Susceptibility and Density of States
• Implications of correlations and fluctuations in small systems