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Conformal higher-spin gravity: linearized spectrum = symmetry algebra

Journal of High Energy Physics volume 2018, Article number: 167 (2018) Cite this article

A preprint version of the article is available at arXiv.

Abstract

The linearized spectrum and the algebra of global symmetries of conformal higher-spin gravity decompose into infinitely many representations of the conformal algebra. Their characters involve divergent sums over spins. We propose a suitable regularization adapted to their evaluation and observe that their characters are actually equal. This result holds in the case of type-A and type-B (and their higher-depth generalizations) theories and confirms previous observations on a remarkable rearrangement of dynamical degrees of freedom in conformal higher-spin gravity after regularization.

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  1. Department of Physics and Research Institute of Basic Science, Kyung Hee University, Seoul, 02447, Korea

    Thomas Basile & Euihun Joung

  2. Institut Denis Poisson, Université de Tours, Université d’Orléans, CNRS, Parc de Grandmont, 37200, Tours, France

    Xavier Bekaert

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  1. Thomas Basile
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Basile, T., Bekaert, X. & Joung, E. Conformal higher-spin gravity: linearized spectrum = symmetry algebra. J. High Energ. Phys. 2018, 167 (2018). https://doi.org/10.1007/JHEP11(2018)167

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  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/JHEP11(2018)167

Keywords

  • Conformal Field Theory
  • Higher Spin Gravity
  • Higher Spin Symmetry