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DPG

München 2009 – scientific programme

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T: Fachverband Teilchenphysik

T 24: Gittereichtheorie

T 24.7: Talk

Monday, March 9, 2009, 18:30–18:45, A021

Cut-off effects of Wilson type fermions on the QCD equation of state to O(g2)Owe Philipsen and •Lars Zeidlewicz — Institut für Theoretische Physik, Universität Münster

We compute the O(g2) contribution to the thermodynamic pressure for Wilson fermions in the standard, the twisted mass and clover improved formulation in lattice perturbation theory. Clover and maximally twisted fermions offer O(a)-improvement and thus are qualitatively comparable to standard staggered fermions. We compare the continuum approaches of these discretisations for the case of massive quarks along a line of constant physics and discuss their scaling behaviour.

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