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All unitary cubic curvature gravities in D dimensions
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Date
2011-10-07
Author
Sisman, Tahsin Cagri
Gullu, Ibrahim
Tekin, Bayram
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This work is licensed under a
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We construct all the unitary cubic curvature gravity theories built on the contractions of the Riemann tensor in D-dimensional (anti)-de Sitter spacetimes. Our construction is based on finding the equivalent quadratic action for the general cubic curvature theory and imposing ghost and tachyon freedom, which greatly simplifies the highly complicated problem of finding the propagator of cubic curvature theories in constant curvature backgrounds. To carry out the procedure we have also classified all the unitary quadratic models. We use our general results to study the recently found cubic curvature theories using different techniques and the string generated cubic curvature gravity model. We also study the scattering in critical gravity and give its cubic curvature extensions.
Subject Keywords
Physics and Astronomy (miscellaneous)
URI
https://hdl.handle.net/11511/35560
Journal
CLASSICAL AND QUANTUM GRAVITY
DOI
https://doi.org/10.1088/0264-9381/28/19/195004
Collections
Department of Physics, Article