Deconfinement and Chiral Restoration in Hot and Dense Matter

TL;DR

This paper explores the connection between chiral symmetry restoration and deconfinement transitions in hot and dense QCD matter, proposing a unified picture supported by model studies and lattice QCD observations.

Contribution

It introduces a unified framework linking chiral and deconfinement transitions and provides a dynamical mechanism explaining their simultaneous crossover behavior.

Findings

Chiral and deconfinement transitions are continuously connected.

The model reproduces the coincidence of pseudo-critical temperatures.

A possible dynamical mechanism for simultaneous crossovers is proposed.

Abstract

We propose a picture that the chiral phase transition at zero quark mass and the deconfinement transition at infinite quark mass are continuously connected. This gives a simple interpretation on the coincidence of the pseudo-critical temperatures observed in lattice QCD. We discuss a possible dynamical mechanism behind the simultaneous crossovers and show the results in a model study.