Geometric Lagrangians for massive higher-spin fields

Details Geometric Lagrangians for massive higher-spin fields Geometric Lagrangians for massive higher-spin fields

2007-10-29

arxiv.org/abs/0710.5378v2

Nucl.Phys.B796:77-122,2008

Physics

High Energy Physics

High Energy Physics - Theory

50 pages, 3 appendices; typos corrected, comments and references added. To appear in Nucl. Phys. B

Scientific paper

10.1016/j.nuclphysb.2007.12.002

Lagrangians for massive, unconstrained, higher-spin bosons and fermions are proposed. The idea is to modify the geometric, gauge invariant Lagrangians describing the corresponding massless theories by the addition of suitable quadratic polynomials. These polynomials provide generalisations of the Fierz-Pauli mass term containing all possible traces of the basic field. No auxiliary fields are needed.

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