Non-perturbative renormalization in lattice QCD

Details Non-perturbative renormalization in lattice QCD Non-perturbative renormalization in lattice QCD

1996-09-23

arxiv.org/abs/hep-lat/9609038v1

Nucl.Phys.Proc.Suppl. 53 (1997) 3-15

Physics

High Energy Physics

High Energy Physics - Lattice

Plenary talk presented at LATTICE96, LaTeX 13 pages, uses espcrc2, 7 postscript figures

Scientific paper

10.1016/S0920-5632(96)00594-4

In this talk I will discuss a number of approaches designed to deal with the problem of setting up a fully non-perturbative renormalization procedure in lattice QCD. Methods based on Ward-Takahashi identities on hadronic states, on imposing chiral selection rules on amplitudes with external quark/gluon legs, on the use of the Schr\"{o}dinger functional and on ``heating and cooling'' Monte Carlo steps are reviewed. I conclude with some remarks on the possibility of defining next order terms (higher twists, ``condensates", ...) in short distance expansions.

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