Geometric massive higher spins and current exchanges

Details Geometric massive higher spins and current exchanges Geometric massive higher spins and current exchanges

2008-04-17

arxiv.org/abs/0804.2857v1

Fortsch.Phys.56:800-808,2008

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, LaTeX. Contribution to the proceedings of the 3rd RTN Workshop ``Constituents, Fundamental Forces and Symmetries of t

Scientific paper

10.1002/prop.200810547

Generalised Fierz-Pauli mass terms allow to describe massive higher-spin fields on flat background by means of simple quadratic deformations of the corresponding geometric, massless Lagrangians. In this framework there is no need for auxiliary fields. We briefly review the construction in the bosonic case and study the interaction of these massive fields with external sources, computing the corresponding propagators. In the same fashion as for the massive graviton, but differently from theories where auxiliary fields are present, the structure of the current exchange is completely determined by the form of the mass term itself.

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