A Note on Quasi-Riemannian Gravity with Higher Derivatives
arXiv:0904.3593
Abstract
Quasi-Riemannian theories of gravity have smaller gauge groups acting on the tangent spacetime than the full Lorentz group. Among others, the spatial rotation group can be gauged to obtain spacetime asymmetric gravity with general covariance. We may introduce `spatial' higher-derivative interactions exclusively to improve ultraviolet behavior with unitarity.
4 pages
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- Extremal rotating solutions in Horava Gravity
- Detailed balance in Horava-Lifshitz gravity
- Caustic avoidance in Horava-Lifshitz gravity
- Nonpropagation of scalar in the deformed Hořava-Lifshitz gravity
- Generalized uncertainty principle and Hořava-Lifshitz gravity
- Extremal black holes in the Hořava-Lifshitz gravity
- Propagations of massive graviton in the deformed Hořava-Lifshitz gravity
- New (p+1) Dimensional Non-relativistic Theories from Euclidean Stable and Unstable Dp-Branes
- Generalized uncertainty principle, quantum gravity and Hořava-Lifshitz gravity