Confinement and renormalization
arXiv:hep-ph/9511243
Abstract
The haaron gas description is reviewed for the QCD vacuum. The role of non-renormalizable operators is emphasised in the mechanism which generates the string tension. Additional examples are mentioned where certain non-renormalizable operators of the bare lagrangian turn out to be important at finite energy scale.
arXiv commentLecture delivered at the Enrico Fermi School of Physics, 37 pages, LATEX