Published May 31, 2001
| Submitted
Journal Article
Open
Stability of massive cosmological gravitons
- Creators
-
Deser, S.
- Waldron, A.
Chicago
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Abstract
We analyze the physics of massive spin-2 fields in (A)dS backgrounds and exhibit that: The theory is stable only for masses m2⩾2Λ/3, where the conserved energy associated with the background timelike Killing vector is positive, while the instability for m^2<2Λ/3 is traceable to the helicity 0 energy. The stable, unitary, partially massless theory at m^2=2Λ/3 describes 4 propagating degrees of freedom, corresponding to helicities (±2,±1) but contains no 0 helicity excitation.
Additional Information
© 2001 Elsevier B.V. Received 31 March 2001, Revised 23 April 2001, Accepted 23 April 2001, Available online 25 May 2001. Editor: H. Georgi. We thank A. Higuchi and I. Bengtsson for interesting correspondence. This work was supported by the National Science Foundation grant PHY99-73935.Attached Files
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Additional details
- Eprint ID
- 73631
- Resolver ID
- CaltechAUTHORS:20170123-145314724
- NSF
- PHY99-73935
- Created
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2017-01-26Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field