The Phase Diagram of Hadronic Matter

Abstract

We interpret the phase structure of hadronic matter in terms of the basic dynamical and geometrical features of hadrons. Increasing the density of constituents of finite spatial extension, by increasing the temperature T or the baryochemical potential mu, eventually "fills the box" and eliminates the physical vacuum. We determine the corresponding transition as function of T and mu through percolation theory. At low baryon density, this means a fusion of overlapping mesonic bags to one large bag, while at high baryon density, hard core repulsion restricts the spatial mobility of baryons. As a consequence, there are two distinct limiting regimes for hadronic matter. We compare our results to those from effective chiral model studies.

13 pages, 6 figures

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• Hadron Production in Ultra-relativistic Nuclear Collisions: Quarkyonic Matter and a Triple Point in the Phase Diagram of QCD
• Reaching percolation and conformal limits in neutron stars
• Hard-core deconfinement and soft-surface delocalization from nuclear to quark matter
• De-Confinement and Clustering of Color Sources in Nuclear Collisions
• QCD Critical Point in a Quasiparticle Model
• Hot and dense hadronic matter in an effective mean field approach
• What neutron stars tell about the hadron-quark phase transition: a Bayesian study
• The Speed of Sound in Hadronic Matter
• The Hagedorn temperature Revisited
• A Hybrid Model for QCD Deconfining Phase Boundary
• The QCD Phase Structure at High Baryon Density
• QCD Phase Boundary and Critical Point in a Bag Model Calculation
• Observational Probes of the Neutron Star Equation of State with Hyperons, Bosonic Dark Matter, and Quark Matter
• Conformality and percolation threshold in neutron stars
• Recent selected theory developments for NICA
• Probing Strange Dark Matter through $f$-mode Oscillations of Neutron Stars with Hyperons and Quark Matter
• Strongly Interacting Matter at Finite Chemical Potential : Hybrid Model Approach
• Unitarity and the color confinement
• Effects of reflective scattering in nuclear collisions
• Unruh thermalization, gluon condensation and freeze-out