Shift symmetries in (anti) de Sitter space
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Publication:1735655
DOI10.1007/JHEP02(2019)178zbMATH Open1411.83062arXiv1812.08167OpenAlexW2904482935WikidataQ114021593 ScholiaQ114021593MaRDI QIDQ1735655
Author name not available (Why is that?)
Publication date: 28 March 2019
Published in: (Search for Journal in Brave)
Abstract: We construct a class of extended shift symmetries for fields of all integer spins in de Sitter (dS) and anti-de Sitter (AdS) space. These generalize the shift symmetry, galileon symmetry, and special galileon symmetry of massless scalars in flat space to all symmetric tensor fields in (A)dS space. These symmetries are parametrized by generalized Killing tensors and exist for fields with particular discrete masses corresponding to the longitudinal modes of massive fields in partially massless limits. We construct interactions for scalars that preserve these shift symmetries, including an extension of the special galileon to (A)dS space, and discuss possible generalizations to interacting massive higher-spin particles.
Full work available at URL: https://arxiv.org/abs/1812.08167
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