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2020-08-18 - Colloque/Article dans les actes sans comité de lecture - Anglais - 14 page(s)

Boulanger Nicolas , Deffayet Cédric, Garcia-Saenz Sebastian, Traina Lucas, "A theory for multiple partially massless spin-2 fields" in 19th Hellenic School and Workshops on Elementary Particle Physics and Gravity (CORFU2019), PoS CORFU2019 (2020), 142, Corfu, Grèce, 2019

  • Codes CREF : Physique théorique et mathématique (DI1210), Mécanique quantique classique et relativiste (DI1211), Gravitation (DI1216), Théorie quantique des champs (DI1215)
  • Unités de recherche UMONS : Physique de l'Univers, Champs et Gravitation (S827)
  • Instituts UMONS : Institut de Recherche sur les Systèmes Complexes (Complexys)
  • Centres UMONS : Algèbre, Géométrie et Interactions fondamentales (AGIF)

Abstract(s) :

(Anglais) In this note, we review the results of the letter arXiv:1906.03868 where we revisited the problem of constructing consistent interactions for a set of partially massless spin-2 fields in (anti-)de Sitter spacetime of arbitrary dimension. This was done using the BRST-BV deformation procedure around that background. As a result of the analysis, we recovered the impossibility of building a consistent theory of a single partially massless spin-2 field and were able to construct a completely non-linear theory for a multiplet of such fields that is consistent from the gauge invariance point of view, although having negative relative signs between kinetic terms.