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Improving bulk QCD thermodynamics on the lattice

Presenter: Edwin Laermann — Uni Bielefeld

F. Karsch, E. Laermann and S. Shcheredin

It is shown in the Stefan-Boltzmann limit that fermion actions with a dispersion relation improved to O(an) lead to bulk thermodynamic quantities improved to the same order in the lattice spacing a. The general proof is supplemented by examples with staggered and Wilson type quarks.