Renormalization in spherical field theory
Dean Lee, Nathan Salwen
Abstract
We derive several results concerning non-perturbative renormalization in the spherical field formalism. Using a small set of local counterterms, we are able to remove all ultraviolet divergences in a manner such that the renormalized theory is finite and translationally invariant. As an explicit example we consider massless phi4 theory in four dimensions.
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