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Born-Infeld gravity with a massless graviton in four dimensions
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Date
2015-02-03
Author
Guellue, Ibrahim
Sisman, Tahsin Cagri
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 Born-Infeld (BI) type gravity theories which describe tree-level unitary (nonghost and nontachyonic) massless spin-2 modes around their maximally symmetric vacua in four dimensions. Building unitary BI actions around flat vacuum is straightforward, but this is a complicated task around (anti)-de Sitter backgrounds. In this work, we solve the issue and give details of constructing perturbatively viable determinantal BI theories. It is interesting that the Gauss-Bonnet combination, which is a total derivative in four dimensions, plays an important role in the construction of viable BI theories.
Subject Keywords
Fıeld-theory
URI
https://hdl.handle.net/11511/39970
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.91.044007
Collections
Department of Physics, Article