Novel fat-link fermion actions

Preprint

4 January 2002

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-lat/0201004

Abstract

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.

Keywords

FERMION ACTION
NOVEL FAT LINK
LINK FERMION
LATTICE QCD
HADRON MASS
QCD

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Version 1, 2002-01-04, ArXiv

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