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1-As you know classical electrodynamics has conformal symmetry. But does this symmetry survive renormalization? if not, can anyone give an explanation on why?
2-What is the situation with QCD? Does it have conformal symmetry at a classical level? If yes, does it survive renormalization?
Thanks
2-What is the situation with QCD? Does it have conformal symmetry at a classical level? If yes, does it survive renormalization?
Thanks