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- Title
Positivity constraints on interacting pseudo-linear spin-2 fields.
- Authors
Alberte, Lasma; de Rham, Claudia; Momeni, Arshia; Rumbutis, Justinas; Tolley, Andrew J.
- Abstract
We explore the effective field theory for single and multiple interacting pseudo-linear spin-2 fields. By applying forward limit positivity bounds, we show that among the parameters contributing to elastic tree level scattering amplitude, there is no region of compatibility of the leading interactions with a standard local UV completion. Our result generalizes to any number of interacting pseudo-linear spin-2 fields. These results have significant implications for the organization of the effective field theory expansion for pseudo-linear fields.
- Subjects
FIELD theory (Physics)
- Publication
Journal of High Energy Physics, 2020, Vol 2020, Issue 7, pN.PAG
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP07(2020)121