Shift-symmetric spin-1 theories
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Publication:2332195
DOI10.1007/JHEP09(2019)029zbMATH Open1423.83050arXiv1906.10692WikidataQ114021596 ScholiaQ114021596MaRDI QIDQ2332195
Author name not available (Why is that?)
Publication date: 1 November 2019
Published in: (Search for Journal in Brave)
Abstract: We study interacting massive spin-1 theories in de Sitter (dS) and anti-de Sitter (AdS) space that possess shift symmetries parametrized by (A)dS Killing vectors. We show how they emerge from the massless limit of massive spin-2 theories on (A)dS space. In the case of massive gravity, the corresponding spin-1 theory realizes a symmetry breaking pattern that takes two copies of the (A)dS isometry group down to a diagonal subgroup. By taking the flat space limit of this theory, we find a new symmetry of the decoupling limit of massive gravity in flat space. This symmetry acts on the vector modes, is parametrized by an antisymmetric tensor, and fixes the nonlinear structure of the scalar-vector sector of the decoupling limit.
Full work available at URL: https://arxiv.org/abs/1906.10692
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