On the non-local obstruction to interacting higher spins in flat space
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Publication:682897
DOI10.1007/JHEP05(2017)026zbMATH Open1380.83227arXiv1701.05772MaRDI QIDQ682897
Author name not available (Why is that?)
Publication date: 5 February 2018
Published in: (Search for Journal in Brave)
Abstract: Owing to a renewed interest in flat space higher spin gauge theories, in this note we provide further details and clarifications on the results presented in arXiv:1107.5843 and arXiv: 1209.5755, which investigated their locality properties. Focusing, for simplicity, on quartic amplitudes with one of the external legs having non-zero integer spin (which can be considered as a prototype for Weinberg-type arguments), we review the appearance of non-localities. In particular, we emphasise that it appears to be not possible to eliminate all of the aforementioned non-localities with a judicious choice of coupling constants and spectrum. We also discuss the light-cone gauge fixing in , and argue that the non-local obstruction discussed in the covariant language cannot be avoided using light-cone gauge formalism.
Full work available at URL: https://arxiv.org/abs/1701.05772
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