212 citations · 3.2k across the 96 of their papers we have counts for
6 papers · 1 filter
Lattice QCD, gauge fixing, and the transition to the perturbative regime
Anthony G. Williams
Perturbative QCD uses the Faddeev-Popov gauge-fixing procedure, which leads to ghosts and the local BRST invariance of the gauge-fixed perturbative QCD action. In the asymptotic re…
Light Quark Simulations With FLIC Fermions
J. M. Zanotti, D. B. Leinweber, W. Melnitchouk +2
Hadron masses are calculated in quenched lattice QCD in order to probe the scaling behavior of a novel fat-link clover fermion action in which only the irrelevant operators of the…
Highly-improved lattice field-strength tensor
S. O. Bilson-Thompson, D. B. Leinweber, A. G. Williams
We derive an O(a^4)-improved lattice version of the continuum field-strength tensor. Discretization errors are reduced via the combination of several clover terms of various sizes,…
Overlap Quark Propagator in Landau Gauge
Frédéric D. R. Bonnet, Patrick O. Bowman, Derek B. Leinweber +2
The properties of the quark propagator in Landau gauge in quenched QCD are examined for the overlap quark action. The overlap quark action satisfies the Ginsparg-Wilson relation an…
Baryon resonances from a novel fat-link fermion action
W. Melnitchouk, S. Bilson-Thompson, F. D. R. Bonnet +6
We present first results for masses of positive and negative parity excited baryons in lattice QCD using an O(a^2) improved gluon action and a Fat Link Irrelevant Clover (FLIC) fer…
Novel fat-link fermion actions
J. M. Zanotti, S. Bilson-Thompson, F. D. R. Bonnet +6
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 usin…