On asymptotic symmetries in higher dimensions for any spin
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Publication:2660262
DOI10.1007/JHEP12(2020)129zbMATH Open1457.81118arXiv2011.04420MaRDI QIDQ2660262
Author name not available (Why is that?)
Publication date: 29 March 2021
Published in: (Search for Journal in Brave)
Abstract: We investigate asymptotic symmetries in flat backgrounds of dimension higher than or equal to four. For spin two we provide the counterpart of the extended BMS transformations found by Campiglia and Laddha in four-dimensional Minkowski space. We then identify higher-spin supertranslations and generalised superrotations in any dimension. These symmetries are in one-to-one correspondence with spin- partially-massless representations on the celestial sphere, with supertranslations corresponding in particular to the representations with maximal depth. We discuss the definition of the corresponding asymptotic charges and we exploit the supertranslational ones in order to prove the link with Weinberg's soft theorem in even dimensions.
Full work available at URL: https://arxiv.org/abs/2011.04420
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