Progress in Study of Renormalization of Theories with Nontrivial Internal Symmetry
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Problems arising in renormalization of theories with nontrivial internal symmetry are reviewed. Different approaches to renormalization are discussed. A new method which provides automatically gauge invariance of renormalized theory independently of regularization used is proposed.
KeywordsGauge Theory Gauge Invariance Dimensional Regularization Feynman Integral Chiral Fermion
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