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Title: Linear de Sitter gravity

Journal Article · · J. Math. Phys. (N.Y.); (United States)
DOI:https://doi.org/10.1063/1.527790· OSTI ID:6681786

It is shown that there are two equivalent field potentials for massless spin-2 fields in (3,2)--de Sitter space; a symmetric two-tensor and a three-tensor of mixed symmetry. Each theory carries two inequivalent Gupta--Bleuler triplets, which correspond to the two helicities. They differ in their behavior at spatial infinity. All four fields appear when writing linear conformal gravity in de Sitter space. Two of them describe the unitary conformal gravitons, and two describe part of the conformal ghost.

Research Organization:
Department of Physics, University of California, Los Angeles, California 90024
OSTI ID:
6681786
Journal Information:
J. Math. Phys. (N.Y.); (United States), Vol. 28:1
Country of Publication:
United States
Language:
English