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2016-04-28 - Article/Dans un journal avec peer-review - Anglais - 25 page(s)

Campoleoni Andrea , Gonzalez Leiva Hernan A., Oblak Blagoje, Riegler Max, "BMS Modules in Three Dimensions" in International Journal of Modern Physics A, 31, 1-25, 1650068

  • Edition : World Scientific Publishing Co. (Singapore)
  • Codes CREF : Physique théorique et mathématique (DI1210)
  • Unités de recherche UMONS : Physique théorique et mathématique (S814)
  • Instituts UMONS : Institut de Recherche sur les Systèmes Complexes (Complexys)
  • Centres UMONS : Algèbre, Géométrie et Interactions fondamentales (AGIF)
Texte intégral :

Abstract(s) :

(Anglais) We build unitary representations of the BMS algebra and its higher-spin extensions in three dimensions, using induced representations as a guide. Our prescription naturally emerges from an ultrarelativistic limit of highest-weight representations of Virasoro and W algebras, which is to be contrasted with non-relativistic limits that typically give non-unitary representations. To support this dichotomy, we also point out that the ultrarelativistic and non-relativistic limits of generic W algebras differ in the structure of their non-linear terms.

Identifiants :
  • arXiv : 1603.03812 [hep-th]
  • DOI : 10.1142/S0217751X16500688