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On the relation between local and geometric Lagrangians for higher spins

Authors
  • Francia, Dario
Type
Preprint
Publication Date
Jan 21, 2010
Submission Date
Jan 21, 2010
Identifiers
DOI: 10.1088/1742-6596/222/1/012002
Source
arXiv
License
Yellow
External links

Abstract

Equations of motion for free higher-spin gauge fields of any symmetry can be formulated in terms of linearised curvatures. On the other hand, gauge invariance alone does not fix the form of the corresponding actions which, in addition, either contain higher derivatives or involve inverse powers of the d'Alembertian operator, thus introducing possible subtleties in degrees of freedom count. We suggest a path to avoid ambiguities, starting from local, unconstrained Lagrangians previously proposed, and integrating out the auxiliary fields from the functional integral, thus generating a unique non-local theory expressed in terms of curvatures.

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