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Journal of High Energy Physics

, 2016:100

First Online: 18 November 2016Received: 17 August 2016Revised: 17 October 2016Accepted: 07 November 2016 Abstract

We discuss non-renormalization theorems applying to galileon field theories and their generalizations. Galileon theories are similar in many respects to other derivatively coupled effective field theories, including general relativity and P X theories. In particular, these other theories also enjoy versions of non-renormalization theorems that protect certain operators against corrections from self-loops. However, we argue that the galileons are distinguished by the fact that they are not renormalized even by loops of other heavy fields whose couplings respect the galileon symmetry.

KeywordsEffective field theories Global Symmetries Scattering Amplitudes ArXiv ePrint: 1606.02295

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Autor: Garrett Goon - Kurt Hinterbichler - Austin Joyce - Mark Trodden

Fuente: https://link.springer.com/







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