Abstract
In these lectures, we discuss different types of renormalization problems in QCD and their non-perturbative solution in the framework of the lattice formulation. In particular the recursive finite size methods to compute the scale-dependence of renormalized quantities is explained. An important ingredient in the practical applications is the Schrödinger functional. It is introduced and its renormalization properties are discussed.
Concerning applications, the computation of the running coupling and the running quark mass are covered in detail and it is shown how the Λ-parameter and renormalization group invariant quark mass can be obtained. Further topics are the renormalization of isovector currents and non-perturbative Symanzik improvement.
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Sommer, R. (1998). Non-perturbative renormalization of QCD. In: Gausterer, H., Lang, C.B. (eds) Computing Particle Properties. Lecture Notes in Physics, vol 512. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0106893
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DOI: https://doi.org/10.1007/BFb0106893
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