Towards UV Finite Quantum Field Theories from Non-Local Field Operators

Details Towards UV Finite Quantum Field Theories from Non-Local Field Operators Towards UV Finite Quantum Field Theories from Non-Local Field Operators

2004-01-30

arxiv.org/abs/hep-th/0401237v1

Eur.Phys.J. C35 (2004) 283-292

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, 4 figures

Scientific paper

10.1140/epjc/s2004-01783-7

A non-local toy model whose interaction consists of smeared, non-local field
operators is presented. We work out the Feynman rules and propose a power
counting formula for arbitrary graphs. Explicit calculations for one loop
graphs show that their contribution is finite for sufficient smearing and agree
with the power counting formula. UV/IR mixing does not occur.

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