CONSISTENT INTERACTING MASSIVE SPIN-2 REQUIRES AN INFINITY OF STATES
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Although Kaluza-Klein compactification provides a way of consistently coupling massive spin-2 fields to gravity, it does so by having infinite towers of massive states. Consistency is achieved by virtue of a corresponding infinite number of four-dimensional gauge invariances. We explicitly demonstrate that any attempt to truncate to a finite number of massive spin-2 fields leads to an explicit breaking of all the massive gauge invariances, including those for the massive fields that are retained. Therefore attempts to use the truncation of a Kaluza-Klein theory as a way to obtain a lagrangian with a finite number of massive spin-2 fields interacting consistently with gravity will inevitably fail. 1989.
author list (cited authors)
DUFF, M. J., POPE, C. N., & STELLE, K. S.
complete list of authors
DUFF, MJ||POPE, CN||STELLE, KS