Critical end point of Nf=3 QCD at finite temperature and density

TL;DR

This paper explores the phase diagram of three-flavor QCD at finite temperature and density, aiming to locate the critical end point using Wilson-Clover fermions and kurtosis intersection analysis.

Contribution

It introduces a method to map the bare parameter phase structure to the physical phase structure for Wilson-type fermions, aiding the identification of the critical end point.

Findings

Identified the critical end point at finite chemical potential.

Developed a strategy to relate bare parameters to physical parameters.

Applied kurtosis intersection method to analyze phase transitions.

Abstract

We investigate the phase structure of 3-flavor QCD in the presence of finite quark chemical potential $a\mu=0.1$ by using the Wilson-Clover fermion action. Especially, we focus on locating the critical end point that characterizes the phase structure. We do this by the kurtosis intersection method for the quark condensate. For Wilson-type fermions, the correspondence between bare parameters and physical parameters is indirect. Hence we present a strategy to transfer the bare parameter phase structure to the physical one.