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On unconstrained higher spins and their current exchanges
  OKC/Nordita High-Energy Physics Theory seminar

Monday 02 June 2008
from 15:30 to 16:30
at CoPS group room (A5:1041)
Speaker : Dario Francia (Chalmers, Gothenburg)
Abstract : I shall introduce the subject of higher-spin field theory and briefly review classical difficulties and basic motivations. Established results due to Fronsdal describe free higher-spin gauge fields in terms of tensors subject to certain algebraic constraints which, on the other hand, are not suggested by string theory and conflict with the linear `geometry' available for these fields. I shall thus discuss a different formulation of the theory where such constraints are foregone, and check its consistency by coupling unconstrained higher-spin fields with external currents both on flat and on (A)dS backgrounds.

Slides for this talk: PDF

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