String theory triplets and higher-spin curvatures

Details String theory triplets and higher-spin curvatures String theory triplets and higher-spin curvatures

2010-01-27

arxiv.org/abs/1001.5003v2

Physics

High Energy Physics

High Energy Physics - Theory

14 pages. Eqs. (2.13) and (3.7) added. Footnotes 8 and 14 and corresponding references included. Additional minor changes. To

Scientific paper

Unconstrained local Lagrangians for higher-spin gauge theories are bound to involve auxiliary fields, whose integration in the partition function generates geometric, effective actions expressed in terms of curvatures. When applied to the triplets, emerging from the tensionless limit of open string field theory, the same procedure yields interesting alternative forms of geometric Lagrangians, expressible for both bosons and fermions as squares of field-strengths. This shows that higher-spin curvatures might play a role in the dynamics, regardless of whether the Fronsdal-Labastida constraints are assumed or forgone.

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