Infinities within graviton scattering amplitudes

Details Infinities within graviton scattering amplitudes Infinities within graviton scattering amplitudes

1995-12-12

arxiv.org/abs/hep-th/9512084v2

Class.Quant.Grav. 14 (1997) 351-365

Physics

High Energy Physics

High Energy Physics - Theory

revised version

Scientific paper

10.1088/0264-9381/14/2/009

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.

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