Positivity constraints on interacting pseudo-linear spin-2 fields
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Publication:2215397
DOI10.1007/JHEP07(2020)121zbMATH Open1451.81321arXiv1912.10018MaRDI QIDQ2215397
Author name not available (Why is that?)
Publication date: 11 December 2020
Published in: (Search for Journal in Brave)
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.
Full work available at URL: https://arxiv.org/abs/1912.10018
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