Hadron Properties with FLIC Fermions
J.M.Zanotti, D.B.Leinweber, W.Melnitchouk, A.G.Williams, J.B.Zhang
TL;DR
This paper introduces FLIC fermions, a lattice QCD approach that improves computational efficiency and accuracy in studying light hadron properties, revealing chiral behaviors at finite lattice spacing.
Contribution
It presents the formulation, scaling properties, and phenomenological results of FLIC fermions, a new nonperturbative O(a)-improved lattice fermion action.
Findings
FLIC fermions offer near continuum results at finite lattice spacing.
They enable efficient exploration of light quark mass regimes.
The approach reveals chiral nonanalytic behavior in hadron masses.
Abstract
The Fat-Link Irrelevant Clover (FLIC) fermion action provides a new form of nonperturbative O(a)-improvement in lattice fermion actions offering near continuum results at finite lattice spacing. It provides computationally inexpensive access to the light quark mass regime of QCD where chiral nonanalytic behaviour associated with Goldstone bosons is revealed. The motivation and formulation of FLIC fermions, its excellent scaling properties and its low-lying hadron mass phenomenology are presented.
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