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Type: Journal article
Title: Novel fat-link fermion actions
Author: Zanotti, J.
Bilson-Thompson, S.
Bonnet, F.
Coddington, P.
Leinweber, D.
Williams, A.
Zhang, J.
Melnitchouk, W.
Lee, F.
Citation: Nuclear Physics B-Proceedings Supplements, 2002; 109(1):101-105
Publisher: Elsevier Science BV
Issue Date: 2002
ISSN: 0920-5632
Organisation: Centre for the Sub-Atomic Structure of Matter (CSSM)
Statement of
J. M. Zanotti, S. Bilson-Thompson, F. D. R. Bonnet, P. D. Coddington, D. B. Leinweber, A. G. Williams, J. B. Zhang, W. Melnitchouk and F. X. Lee
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 163 × 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 (a) improvement.
RMID: 0020020652
DOI: 10.1016/S0920-5632(02)01397-X
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Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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