Scaling of FLIC Fermions
J.M.Zanotti, B.Lasscock, D.B.Leinweber, A.G.Williams
TL;DR
This paper investigates the scaling behavior of the FLIC fermion action in lattice QCD, demonstrating it offers a nonperturbative O(a) improvement that yields near-continuum results at finite lattice spacing.
Contribution
The study introduces and tests the FLIC fermion action, showing it effectively improves lattice QCD calculations by reducing discretization errors.
Findings
FLIC fermions exhibit good scaling behavior.
Near-continuum results achieved at finite lattice spacing.
Provides evidence for nonperturbative O(a) improvement.
Abstract
Hadron masses are calculated in quenched lattice QCD on a variety of lattices in order to probe the scaling behavior of the Fat-Link Irrelevant Clover (FLIC) fermion action, a fat-link clover fermion action in which the purely irrelevant operators of the fermion action are constructed using APE-smeared links. The scaling analysis indicates FLIC fermions provide a new form of nonperturbative O(a) improvement where near-continuum results are obtained at finite lattice spacing.
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