Renormalization Proof for Massive $$\phi_4^4$$ Theory on Riemannian Manifolds |
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Authors: | Christoph Kopper Volkhard F Müller |
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Institution: | 1.Centre de Physique Théorique, CNRS, UMR 7644,Ecole Polytechnique,Palaiseau,France;2.Fachbereich Physik,Technische Universit?t Kaiserslautern,Kaiserslautern,Germany |
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Abstract: | In this paper we present an inductive renormalizability proof for massive theory on Riemannian manifolds, based on the Wegner-Wilson flow equations of the Wilson renormalization group, adapted to
perturbation theory. The proof goes in hand with bounds on the perturbative Schwinger functions which imply tree decay between
their position arguments. An essential prerequisite is precise bounds on the short and long distance behaviour of the heat
kernel on the manifold. With the aid of a regularity assumption (often taken for granted) we also show that for suitable renormalization
conditions the bare action takes the minimal form, that is to say, there appear the same counterterms as in flat space, apart
from a logarithmically divergent one which is proportional to the scalar curvature. |
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