Non-perturbative renormalization of lattice QCD at all scales

Abstract

A general strategy to solve the non-perturbative renormalization problem in lattice QCD, using finite-size techniques and numerical simulations, is described. As an illustration we discuss the computation of the axial current normalization constant, the running coupling at zero quark masses and the scale evolution of the renormalized axial density. The non-perturbative calculation of O(a) correction terms (as they appear in Symanzik's improvement programme) is another important field of application.

14 pages, uuencoded gzipped postscript file

References in corpus (4)

• One-loop renormalization of the QCD Schrödinger functional
• Universality and the approach to the continuum limit in lattice gauge theory
• Current Renormalisation Constants with an O(a)-improved Fermion Action
• Light meson decay constants beyond the quenched approximation

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