Spelling suggestions: "subject:"renormalization inn field theories"" "subject:"renormalization iin field theories""
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Renormalization in Field TheoriesSöderberg, Alexander January 2015 (has links)
Several different approaches to renormalization are studied. The Callan-Symanzik equation is derived and we study its beta functions. An effective potential for the Coleman-Weinberg model is studied to find that the beta function is positive and that spontaneous symmetry breaking will occur if we expand around the classical field. Lastly we renormalize a non-abelian gaugetheory to find that the beta function in QCD is negative.
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