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Type: Journal article
Title: Lattice quark propagator with staggered quarks in Landau and Laplacian gauges
Author: Bowman, P.
Heller, U.
Williams, A.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2002; 66(1):1-10
Publisher: American Physical Society
Issue Date: 2002
ISSN: 0556-2821
Organisation: Special Research Centre for the Subatomic Structure of Matter
Statement of
Patrick O. Bowman, Urs M. Heller, Anthony G. Williams
Abstract: We report on the lattice quark propagator using standard and improved staggered quark actions, with the standard Wilson gauge action. The standard Kogut-Susskind action has errors of O(a²) while the “Asqtad” action has O(a⁴), O(a²g²) errors. The quark propagator is interesting for studying the phenomenon of dynamical chiral symmetry breaking and as a testbed for improvement. Gauge dependent quantities from lattice simulations may be affected by Gribov copies. We explore this by studying the quark propagator in both Landau and Laplacian gauges. Landau and Laplacian gauges are found to produce very similar results for the quark propagator.
Description: Published" 30 July 2002
Rights: ©2002 American Physical Society
RMID: 0020020562
DOI: 10.1103/PhysRevD.66.014505
Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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