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Weyl gauging of topologically massive gravity
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Date
2012-11-06
Author
Dengiz, Suat
Kilicarslan, Ercan
Tekin, Bayram
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We construct a Weyl-invariant extension of topologically massive gravity, which remarkably turns out to include topologically massive electrodynamics, with a Proca mass term, conformally coupled to a scalar field. The action has no dimensionful parameters; therefore, the masses are generated via symmetry breaking either radiatively in flat backgrounds or spontaneously in constant curvature backgrounds. The broken phase of the theory, generically, has a single massive spin-2 and a massive spin-1 excitation. Chiral gravity in asymptotically anti-de Sitter spacetimes does not arise as a low energy theory, while chiral gravity in de Sitter spacetime is not ruled out.
Subject Keywords
Energy
,
Invariance
URI
https://hdl.handle.net/11511/38366
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.86.104014
Collections
Department of Physics, Article