Finite Temperature QCD with Wilson Fermions

TL;DR

This paper investigates the nature of the finite temperature transition in Quantum Chromodynamics (QCD) using lattice simulations with Wilson fermions, revealing different transition types depending on quark flavor number and mass.

Contribution

It provides new insights into the order of the finite temperature transition in QCD with Wilson fermions, especially for real-world quark mass scenarios.

Findings

Transition is smooth for two massless flavors.

First order transition for three and six flavors.

Finite temperature transition in real-world QCD likely first order.

Abstract

The nature of finite temperature transition in QCD is studied on a lattice with Wilson fermion. For massless quarks, the transition is smooth for two flavors, while it is of first order for three and six flavors. Form the study of transition in the case of non-degenerate as well as degenerate massive quark case,it is suggest that the finite temperature transition in the real world is first order.