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Flavor Symmetry and the Static Potential with Hypercubic Blocking

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arxiv hep-lat/0103029 v2 pith:GNCOLD7K submitted 2001-03-26 hep-lat

A. Hasenfratz , F. Knechtli (U. of Colorado) This is my paper · ORCID
classification hep-lat
keywords linkhypercubicpotentialflavorlatticeslinksquenchedstaggered
verification ladder T0 review T1 audit T2 compute T3 formal
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We introduce a new smearing transformation, the hypercubic (HYP) fat link. The hypercubic fat link mixes gauge links within hypercubes attached to the original link only. Using quenched lattices at beta = 5.7 and 6.0 we show that HYP fat links improve flavor symmetry by an order of magnitude relative to the thin link staggered action. The static potential measured on HYP smeared lattices agrees with the thin link potential at distances r/a >= 2 and has greatly reduced statistical errors. These quenched results will be used in forthcoming dynamical simulations of HYP staggered fermions.

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