Phase diagram at finite temperature and quark density in the strong coupling region of lattice QCD for color SU(3)

TL;DR

This paper investigates the phase diagram of quark matter at finite temperature and chemical potential in strong coupling lattice QCD for SU(3), revealing how baryons and coupling corrections influence phase boundaries.

Contribution

It provides new insights into how baryons extend the hadron phase and how 1/g^2 corrections make the phase diagram more realistic.

Findings

Baryons extend the hadron phase to higher chemical potentials.

Tc decreases rapidly with decreasing coupling strength.

Phase diagram shape approaches real-world expectations with corrections.

Abstract

We study the phase diagram of quark matter at finite temperature (T) and chemical potential (mu) in the strong coupling region of lattice QCD for color SU(3). Baryon has effects to extend the hadron phase to a larger mu direction relative to Tc at low temperatures in the strong coupling limit. With the 1/g^2 corrections, Tc is found to decrease rapidly as g decreases, and the shape of the phase diagram becomes closer to that expected in the real world.