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Published July 16, 2001 | Published
Journal Article Open

Gauge Invariances and Phases of Massive Higher Spins in (Anti-) de Sitter Space

Abstract

The (m^2, Λ) plane of spin s > 1 massive fields in (anti-) de Sitter space backgrounds is shown to consist of separate phases, divided by lines of novel "partially massless" gauge theories that successively remove helicities, starting from the lowest, 0 or ± 1/2. The norms of the excluded states flip as the gauge lines are crossed and only the region containing the massive Minkowski theory is unitary. The partially massless gauge theories are unitary or not, depending on the ordering of the gauge lines. This "level splitting" of massless Minkowski gauge theories is specific to nonzero Λ.

Additional Information

© 2001 American Physical Society. (Received 23 February 2001; published 27 June 2001) We thank I. Bengtsson, A. Higuchi, and R. Woodard for communications. This work was supported by NSF Grant No. PHY99-73935.

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Published - PhysRevLett.87.031601.pdf

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August 19, 2023
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