Instability of the Time Dependent Horava-Witten Model
arXiv:0712.2155 · doi:10.1103/PhysRevD.77.104030
Abstract
We consider scalar perturbations in the time-dependent Hourava-Witten Model in order to probe its stability. We show that during the non-singular epoque the model evolves without instabilities until it encounters the curvature singularity where a big crunch is supposed to occur. We compute the frequencies of the scalar field oscillation during the stable period and show how the oscillations can be used to prove the presence of such a singularity.
12 pages, 4 figures. References added. Some comments clarified. Accepted in Phys. Rev. D
References in corpus (17)
- Quasi-Normal Modes of Stars and Black Holes
- Heterotic and Type I String Dynamics from Eleven Dimensions
- The Ekpyrotic Universe: Colliding Branes and the Origin of the Hot Big Bang
- Cosmic Evolution in a Cyclic Universe
- The Universe as a Domain Wall
- Couplings and Scales in Strongly Coupled Heterotic String Theory
- Testing Cosmic Censorship with Black Hole Collisions
- Brane Worlds in Collision
- Colliding Branes in Heterotic M-theory
- Quasinormal modes for the Vaidya metric
- Horava-Witten Stability: eppur si muove
- Quasinormal modes in time-dependent black hole background
- Bouncing Negative-Tension Branes
- The shortest cut in brane cosmology
- Quasinormal mode characterization of evaporating mini black holes
- Shortcuts for Graviton Propagation in a Six Dimensional Brane World Model
- Stability of Horava-Witten Spacetimes