Supersymmetry counterterms revisited

Details Supersymmetry counterterms revisited Supersymmetry counterterms revisited

2002-11-28

arxiv.org/abs/hep-th/0211279v1

Phys.Lett. B554 (2003) 190-196

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, plain Latex

Scientific paper

10.1016/S0370-2693(02)03271-9

Superspace power-counting rules give estimates for the loop order at which divergences can first appear in non-renormalisable supersymmetric field theories. In some cases these estimates can be improved if harmonic superspace, rather than ordinary superspace, is used. The new estimates are in agreement with recent results derived from unitarity calculations for maximally supersymmetric Yang-Mills theories in five and six dimensions. For N=8 supergravity in four dimensions, we speculate that the onset of divergences may correspondingly occur at the six loop order.

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