Novel fat-link fermion actions

Details Novel fat-link fermion actions Novel fat-link fermion actions

2002-01-04

arxiv.org/abs/hep-lat/0201004v1

Nucl.Phys.Proc.Suppl.109A:101-105,2002

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, 2 figures, talk given by J.Zanotti at LHP 2001 workshop, Cairns, Australia

Scientific paper

The hadron mass spectrum is calculated in lattice QCD using a novel fat-link clover fermion action in which only the irrelevant operators of the fermion action are constructed using smeared links. The simulations are performed on a 16^3 X 32 lattice with a lattice spacing of a=0.125 fm. We compare actions with n=4 and 12 smearing sweeps with a smearing fraction of 0.7. The n=4 Fat Link Irrelevant Clover (FLIC) action provides scaling which is superior to mean-field improvement, and offers advantages over nonperturbative O(a) improvement.

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