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Type: Journal article
Title: Over-improved stout-link smearing
Author: Moran, P.
Leinweber, D.
Citation: Physical Review D: Particles, Fields, Gravitation and Cosmology, 2008; 77(9):094501-1-094501-9
Publisher: American Physical Soc
Issue Date: 2008
ISSN: 1550-7998
Statement of
Peter J. Moran and Derek B. Leinweber
Abstract: A new over-improved stout-link smearing algorithm, designed to stabilize instanton-like objects, is presented. A method for quantifying the selection of the over-improvement parameter, epsilon, is demonstrated. The new smearing algorithm is compared with the original stout-link smearing, and Symanzik improved smearing through calculations of the topological charge and visualizations of the topological charge density. We find the incorporation of improvement in stout-link smearing to be essential for the accurate study of QCD vacuum structure.
Rights: ©2008 American Physical Society
DOI: 10.1103/PhysRevD.77.094501
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Chemistry and Physics publications

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