Non-perturbative improvement of nHYP smeared Wilson fermions

Details Non-perturbative improvement of nHYP smeared Wilson fermions Non-perturbative improvement of nHYP smeared Wilson fermions

2007-10-02

arxiv.org/abs/0710.0471v1

PoSLAT2007:104,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 6 figures, contribution to Lattice 2007, Regensburg, Germany

Scientific paper

Using Schroedinger functional techniques, we determine the coefficient of the clover term necessary for non-perturbative O(a) improvement of hypercubic smeared Wilson fermions on a quenched plaquette action background. Unlike for unsmeared Wilson fermions, the resulting clover coefficients are close to the tree-level value even at coarse lattice spacings, indicating the absence of large cutoff effects. A number of exploratory tests are also performed with the improved action.

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