Scaling analysis of FLIC fermion actions

Details Scaling analysis of FLIC fermion actions Scaling analysis of FLIC fermion actions

2007-09-11

arxiv.org/abs/0709.1531v1

Phys.Rev.D77:014507,2008

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, 3 figures

Scientific paper

10.1103/PhysRevD.77.014507

The Fat Link Irrelevant Clover (FLIC) fermion action is a variant of the $O(a)$-improved Wilson action where the irrelevant operators are constructed using smeared links. While the use of such smearing allows for the use of highly improved definitions of the field strength tensor $F_{\mu\nu},$ we show that the standard 1-loop clover term with a mean field improved coefficient $c_{\rm sw}$ is sufficient to remove the $O(a)$ errors, avoiding the need for non-perturbative tuning. This result enables efficient dynamical simulations in QCD with the FLIC fermion action.

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