On higher spins and the tensionless limit of String Theory

Details On higher spins and the tensionless limit of String Theory On higher spins and the tensionless limit of String Theory

2003-11-26

arxiv.org/abs/hep-th/0311257v2

Nucl.Phys. B682 (2004) 83-116

Physics

High Energy Physics

High Energy Physics - Theory

44 pages, LATEX. Improper interpretation of gauge-fixing procedure for (A)dS triplet removed, misprints corrected, references

Scientific paper

10.1016/j.nuclphysb.2004.01.024

We discuss string spectra in the low-tension limit using the BRST formalism, with emphasis on the role of triplets of totally symmetric tensors and spinor-tensors and their generalizations to cases with mixed symmetry and to (A)dS backgrounds. We also present simple compensator forms of the field equations for individual higher-spin gauge fields that display the {unconstrained} gauge symmetry of a previous non-local construction and reduce upon partial gauge fixing to the (Fang-)Fronsdal equations. For Bose fields we also show how a local Lagrangian formulation with {unconstrained} gauge symmetry is determined by a previous BRST construction.

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