Finite Temperature QCD with Domain Wall Fermions

TL;DR

This paper explores the use of domain wall fermions in lattice QCD to preserve chiral symmetry at finite lattice spacing and investigates their application to two-flavor QCD thermodynamics.

Contribution

It introduces the domain wall fermion formulation and demonstrates its application to finite temperature QCD simulations with two light flavors.

Findings

Domain wall fermions preserve chiral symmetry at finite lattice spacing.

Numerical results on two-flavor QCD thermodynamics at aT=1/4.

Insights into chiral symmetry restoration at finite temperature.

Abstract

Domain wall fermions are a new lattice fermion formulation which preserves the full chiral symmetry of the continuum at finite lattice spacing, up to terms exponentially small in an extra parameter. We discuss the main features of the formulation and its application to study of QCD with two light fermions of equal mass. We also present numerical studies of the two flavor QCD thermodynamics with aT = 1/4.