PoS - Proceedings of Science
Volume 256 - 34th annual International Symposium on Lattice Field Theory (LATTICE2016) - Poster Session
New Noise Subtraction Methods in Lattice QCD
S. Baral,* W. Wilcox, R.B. Morgan
*corresponding author
Full text: pdf
Pre-published on: January 30, 2017
Published on: March 24, 2017
Abstract
Noise subtraction techniques can help reduce the statistical uncertainty in the extraction of hard to detect signals. We describe new noise subtraction methods in Lattice QCD which apply to disconnected diagram evaluations. Some of the noise suppression techniques include polynomial quark matrix methods, eigenspectrum deflation methods, and combination methods. Our most promising technique combines polynomial and Hermitian deflation subtraction methods. The overall goal is to improve the efficiency of Lattice QCD noise method algorithms.
DOI: https://doi.org/10.22323/1.256.0355
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