Superstatistics and the effective QCD phase diagram

Abstract

We study the effect of a partially thermalized scenario for chiral symmetry restoration at finite temperature and quark chemical potential, and in particular for the position of the critical end point in an effective description of the QCD phase diagram. We show that these effects produce the critical end point to be displaced towards larger values of temperature and lower values of the quark chemical potential as compared to the case when the system can be regarded as completely thermalized. We conclude that these effects may be important for relativistic heavy ion collisions where the number of subsystems making the whole interaction volume can be linked to the finite number of participants in the reaction.

arXiv comment7 pages and 4 figures. Extended discussion. Published in PRD

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Cited by in corpus (12)

• Super-statistical description of thermo-magnetic properties of a system of 2D GaAs quantum dots with gaussian confinement and Rashba spin-orbit interaction
• Fluctuating temperature and baryon chemical potential in heavy-ion collisions and the position of the critical end point in the effective QCD phase diagram
• On the critical end point in a two-flavor linear sigma model coupled to quarks
• Super-statistics and quantum entanglement in the isotropic spin-1/2 XX dimmer from a non-additive thermodynamics perspective
• Kappa distribution from particle correlations in non-equilibrium, steady-state plasmas
• Specific heat and its high-order moments in relativistic heavy-ion collisions from a multiphase transport model
• Volume effects on the QCD critical end point from thermal fluctuations within the super statistics framework
• Thermo-magnetic corrections to $\pi$-$\pi$ Scattering Lengths in the Linear Sigma Model
• Conditional maximum entropy and Superstatistics
• Chiral phase transition in the linear sigma model within Hartree factorization in the Tsallis nonextensive statistics
• Kappa distributions in the framework of superstatistics
• Entropy exchange and thermal fluctuations in the Jaynes-Cummings model