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Type: Journal article
Title: Practical all-to-all propagators for lattice QCD
Author: Foley, Justin
Juge, K. Jimmy
Cais, Alan O.
Peardon, Michael J.
Ryan, Sinead M.
Skullerud, Jon-Ivar
TrinLat Collaboration
Citation: Computer Physics Communications, 2005; 172(3):145-162
Publisher: Elsevier
Issue Date: 2005
Series/Report no.: TRINLAT-05/02
ISSN: 0010-4655
School/Discipline: School of Chemistry and Physics
Centre for Subatomic Structure of Matter (CSSM)
Statement of
Justin Foley, K. Jimmy Juge, Alan Ó Cais, Mike Peardon, Sinéad M. Ryan, Jon-Ivar Skullerud, and TrinLat Collaboration
Abstract: A new method for computing all elements of the lattice quark propagator is proposed. The method combines the spectral decomposition of the propagator, computing the lowest eigenmodes exactly, with noisy estimators which are ‘diluted’, i.e. taken to have support only on a subset of time, space, spin or color. We find that the errors are dramatically reduced compared to traditional noisy estimator techniques
Keywords: Lattice QCD
Spectral decomposition
Stochastic estimators
Variance reduction
High Energy Physics - Lattice (hep-lat)
Description: Submitted to Cornell University’s online archive in 2005 by Jon-Ivar Skullerud.
Pre-print sourced from
Rights: Copyright © 2005 Elsevier B.V. All rights reserved.
DOI: 10.1016/j.cpc.2005.06.008
Appears in Collections:Physics publications

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