Mode analysis and Ward identities for perturbative quantum gravity in de Sitter space
- Crete Univ., Iraklion (Greece). Dept. of Physics
- Florida Univ., Gainesville, FL (United States). Dept. of Physics
We study linearized gravitons on the D-dimensional open submanifold spanned by de Sitter conformal coordinates. The physical modes are found in the same way as for flat space by imposing exact gauge conditions on the invariant field equations and then exploiting the residual gauge freedom of solutions. The resulting polarization tensors have vanishing zero components and are transverse and traceless, just as in flat space. We also show that vacua exist such that the ghost and graviton propagators obey the Ward identity relating them.
- Research Organization:
- Florida Univ., Gainesville, FL (United States). Dept. of Physics
- Sponsoring Organization:
- USDOE, Washington, DC (United States); North Atlantic Treaty Organization, Brussels (Belgium)
- DOE Contract Number:
- FG05-86ER40272
- OSTI ID:
- 10177917
- Report Number(s):
- DOE/ER/40272-167; UFIFT-HEP-92-20; ON: DE92040503; IN: CRETE-92-13; CNN: Grant CRG-920627
- Resource Relation:
- Other Information: PBD: Jun 1992
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM GRAVITY
WARD IDENTITY
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DE SITTER GROUP
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GREEN FUNCTION
661310
662100
661100
RELATIVITY AND GRAVITATION
GENERAL THEORY OF PARTICLES AND FIELDS
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