Friday, July 19, 2013

1307.4768 (Hamid Afshar et al.)

Higher spin theory in 3-dimensional flat space    [PDF]

Hamid Afshar, Arjun Bagchi, Reza Fareghbal, Daniel Grumiller, Jan Rosseel
We present the first example of a non-trivial higher spin theory in 3-dimensional flat space. We propose flat-space boundary conditions and prove their consistency for this theory. We find that the asymptotic symmetry algebra is a (centrally extended) higher spin generalization of the Bondi- Metzner-Sachs algebra, which we describe in detail. We also address higher spin analogues of flat space cosmology solutions and possible generalizations.
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