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New soft theorems for the gravity dilaton and the Nambu-Goldstone dilaton at subsubleading order
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). University of Copenhagen, Denmark.
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Number of Authors: 4
2016 (English)In: Physical Review D, ISSN 2470-0010, Vol. 93, no 8, 085015Article in journal (Refereed) Published
Abstract [en]

We study the soft behavior of two seemingly different particles that are both referred to as dilatons in the literature, namely the one that appears in theories of gravity and in string theory and the Nambu-Goldstone boson of spontaneously broken conformal invariance. Our primary result is the discovery of a soft theorem at subsubleading order for each dilaton, which in both cases contains the operator of special conformal transformations. Interesting similarities as well as differences between the dilaton soft theorems are discussed.

Place, publisher, year, edition, pages
2016. Vol. 93, no 8, 085015
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-130168DOI: 10.1103/PhysRevD.93.085015ISI: 000373771000010OAI: oai:DiVA.org:su-130168DiVA: diva2:927450
Available from: 2016-05-12 Created: 2016-05-09 Last updated: 2016-05-12Bibliographically approved

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Di Vecchia, PaoloMojaza, MatinNohle, Josh
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