paper

Cubic interactions of massless higher spins in (A)dS: metric-like approach

arXiv:1110.5918 · doi:10.1016/j.nuclphysb.2012.03.013

Abstract

Cubic interactions of higher-spin gauge fields in (A)dS are studied in the metric-like approach. Making use of the traceless and transverse constraints together with the ambient-space formalism, all consistent parity-invariant cubic vertices are obtained for d>3 in closed form pointing out the key role of their flat-space counterparts.

33 pages, LaTex. Final version to appear in NPB

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