paper

Infinities within graviton scattering amplitudes

arXiv:hep-th/9512084 · doi:10.1088/0264-9381/14/2/009

Abstract

We present unitarity as a method for determining the infinities present in graviton scattering amplitudes. The infinities are a combination of IR and UV. By understanding the soft singularities we may extract the UV infinities and relate these to counter-terms in the effective action. As an demonstration of this method we rederive the UV infinities present at one-loop when gravity is coupled to matter.

revised version

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