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Type: Journal article
Title: Gluon propagator in the infrared region
Author: Leinweber, D.
Skullerud, J.I.
Williams, A.
Parrinello, C.
Citation: Physical Review D: Particles, Fields, Gravitation and Cosmology, 1998; 58(3):031501-
Publisher: American Physical Society
Issue Date: 1998
ISSN: 0556-2821
Statement of
Derek B. Leinweber, Jon Ivar Skullerud, and Anthony G. Williams, Claudio Parrinello (UKQCD Collaboration)
Abstract: The gluon propagator is calculated in quenched QCD for two different lattice sizes (16³×48 and 32³×64) at β=6.0. The volume dependence of the propagator in the Landau gauge is studied. The smaller lattice is instrumental in revealing finite volume and anisotropic lattice artifacts. Methods for minimizing these artifacts are developed and applied to the larger lattice data. New structure seen in the infrared region survives these conservative cuts to the lattice data. This structure serves to rule out a number of models that have appeared in the literature. A fit to a simple analytical form capturing the momentum dependence of the nonperturbative gluon propagator is also reported.
Description: Extent: 5p.
Rights: ©1998 American Physical Society
DOI: 10.1103/PhysRevD.58.031501
Appears in Collections:Aurora harvest 7
Special Research Centre for the Subatomic Structure of Matter publications

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