Unrestricted.2016-11-152013-08-272016-11-152013-08http://hdl.handle.net/2346/50285In this thesis, we develop the notion of an effective field theory using the energy scale and present an algorithm for constructing counterterms based on the choice of a renormalization scheme.application/pdfen-USEffective field theoryQuantum field theoryRenormalization and effective field theory using the energy scaleThesis