QCD thermodynamics with continuum extrapolated Wilson fermions I

TL;DR

This paper investigates QCD thermodynamics using Wilson fermions in a fixed scale approach, achieving a controlled continuum limit and comparing results with staggered fermions, confirming consistency across methods.

Contribution

It provides the first continuum-extrapolated results for QCD thermodynamics with Wilson fermions and compares them with staggered fermion results under identical renormalization conditions.

Findings

Continuum results agree with staggered fermion simulations.

Finite volume effects are negligible with large enough volumes.

Results demonstrate the viability of Wilson fermions in thermodynamics studies.

Abstract

QCD thermodynamics is considered using Wilson fermions in the fixed scale approach. The temperature dependence of the renormalized chiral condensate, quark number susceptibility and Polyakov loop is measured at four lattice spacings allowing for a controlled continuum limit. The light quark masses are fixed to heavier than physical values in this first study. Finite volume effects are ensured to be negligible by using approriately large box sizes. The final continuum results are compared with staggered fermion simulations performed in the fixed N_t approach. The same continuum renormalization conditions are used in both approaches and the final results agree perfectly.