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Gauged Galileons

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arxiv 1905.05190 v2 pith:KNLWWZFN submitted 2019-05-13 hep-th gr-qc

Sebastian Garcia-Saenz , Jonghee Kang , Riccardo Penco This is my paper · ORCID
classification hep-thgr-qc
keywords galileonfieldgaugingmassivearoundbrokenconstructconstruction
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We discuss the gauging of non-linearly realized symmetries as a method to systematically construct spontaneously broken gauge theories. We focus in particular on galileon fields and, using a coset construction, we show how to recover massive gravity by gauging the galileon symmetry. We then extend our procedure to the special galileon, and obtain a theory that couples a massive spin-2 field with a traceless symmetric field, and is free of pathologies at quadratic order around flat space.

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Cited by 1 Pith paper

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  1. Shift symmetries, soft limits, and the double copy beyond leading order

    hep-th 2019-08 conditional novelty 6.0 of 10

    For higher-derivative corrections, shift symmetry no longer guarantees double-copy compatibility; even-point amplitudes can be made compatible by tuning coefficients, odd-point ones cannot.

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