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Towards UV finite quantum field theoriesfrom non-local field operators

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Abstract.

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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Authors and Affiliations

  1. Institut für theoretische Physik, Technische Universität Wien, Wiedner Hauptstraße 8-10, 1040, Wien, Austria

    S. Denk, V. Putz, M. Schweda & M. Wohlgenannt

Authors
  1. S. Denk
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  2. V. Putz
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  3. M. Schweda
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  4. M. Wohlgenannt
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Corresponding author

Correspondence to S. Denk.

Additional information

Received: 26 February 2004, Published online: 5 May 2004

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Denk, S., Putz, V., Schweda, M. et al. Towards UV finite quantum field theoriesfrom non-local field operators. Eur. Phys. J. C 35, 283–292 (2004). https://doi.org/10.1140/epjc/s2004-01783-7

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  • DOI: https://doi.org/10.1140/epjc/s2004-01783-7

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