Preparing for N_f=2 simulations at small lattice spacings

Details Preparing for N_f=2 simulations at small lattice spacings Preparing for N_f=2 simulations at small lattice spacings

2007-10-05

arxiv.org/abs/0710.1263v1

PoS LAT2007:255,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages

Scientific paper

We discuss some large effects of dynamical fermions. One is a cutoff effect, others concern the contribution of multi-pion states to correlation functions and are expected to survive the continuum limit. We then turn to the preparation for simulations at small lattice spacings which we are planning down to around a=0.04fm in order to understand the size of O(a^2)-effects of the standard O(a)-improved theory. The dependence of the lattice spacing on the bare coupling is determined through the Schr"odinger functional renormalized coupling.

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