Higher spin theory in 3-dimensional flat space

Abstract

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.

5 pp, v2: added 2 Refs., a sentence in the intro and a note in the end; to appear in PRL

References in corpus (7)

• Asymptotic symmetries of three-dimensional gravity coupled to higher-spin fields
• Nonlinear W(infinity) Algebra as Asymptotic Symmetry of Three-Dimensional Higher Spin Anti-de Sitter Gravity
• The BMS/GCA correspondence
• Galilean Conformal Algebras and AdS/CFT
• Entropy of three-dimensional asymptotically flat cosmological solutions
• Flat-Space Chiral Gravity
• Dual dynamics of three dimensional asymptotically flat Einstein gravity at null infinity

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