Abstract
The Fierz-Pauli program is carried out for spin-2 fields in-de Sitter space. A spin-s field is associated with an irreducible representation D(E 0, s) of the universal covering group of SO(3, 2), with extremal weight (L 0 5, L1 2) → (E 0, s). (L 0 5 is the time translation operator.) The particular cases D(s+1, s) (s=1, 2,...) are characterized by invariance of the field equations under a gauge group and is for this and other reasons called ‘the massless case’. The Fierz-Pauli program is carried out for s=2, E 0>3; it fails in the special case E 0=3 only. The limit, as E 0 → 3, of the Fierz-Pauli field equation agrees with the linearized form of Einstein's gravitational field equation, with cosmological constant λ=-3ρ. Here ρ is the curvature constant of de Sitter space and the linearization referred to is defined relative to the de Sitter metric.
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Work supported in part by the National Science Foundation.
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Fang, J., Fronsdal, C. Elementary particles in a curved space. Lett Math Phys 2, 391–397 (1978). https://doi.org/10.1007/BF00400165
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DOI: https://doi.org/10.1007/BF00400165