Improved bilinears in unquenched lattice QCD
Tanmoy Bhattacharya, Rajan Gupta, Weonjong Lee, Stephen R. Sharpe and, Jackson M. S. Wu
TL;DR
This paper discusses how Ward identities can be used to non-perturbatively improve flavor bilinears in unquenched lattice QCD with three non-degenerate Wilson-like fermions.
Contribution
It provides a method to improve bilinear operators non-perturbatively using Ward identities in unquenched lattice QCD.
Findings
Successful application of Ward identities for operator improvement
Extension to flavor singlet and non-singlet bilinears
Applicable to three-flavor non-degenerate Wilson fermions
Abstract
We summarize the extent to which one can use Ward identities to non-perturbatively improve flavor singlet and non-singlet bilinears with three flavors of non-degenerate dynamical Wilson-like fermions.
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