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Suppression of quantum corrections by classical backgrounds

Nikolaos Brouzakis1 and Nikolaos Tetradis1,2

  • 1Department of Physics, University of Athens, Zographou 157 84, Greece
  • 2Department of Physics, CERN-Theory Division, CH-1211 Geneva 23, Switzerland

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Phys. Rev. D 89, 125004 – Published 5 June, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.125004

Abstract

We use heat-kernel techniques in order to compute the one-loop effective action in the cubic Galileon theory for a background that realizes the Vainshtein mechanism. We find that the UV divergences are suppressed relative to the predictions of standard perturbation theory at length scales below the Vainshtein radius.

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References (16)

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Phys. Rev. D 89, 125004– Published 5 June, 2014
  • Received 23 January 2014

© 2014 American Physical Society

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