Perturbative Subtraction Methods

Walter Wilcox

doi:10.1016/S0920-5632(00)91819-X

Perturbative Subtraction Methods

High Energy Physics - Lattice 2015-06-25 v1

Authors: Walter Wilcox

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Abstract

The effects of an automated, tenth order in $\kappa$ subtraction scheme on the noise variance of various Wilson QCD disconnected matrix elements are examined. It is found that there is a dramatic reduction in the variance of the lattice point-split electromagnetic currents and that this reduction persists at small quark mass.

Keywords

lattice qcd

Cite

@article{arxiv.hep-lat/9908001,
  title  = {Perturbative Subtraction Methods},
  author = {Walter Wilcox},
  journal= {arXiv preprint arXiv:hep-lat/9908001},
  year   = {2015}
}

Comments

Talk presented at LATTICE99(algorithms)

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