Stability of the aether
High Energy Physics - Theory
2012-01-17 v2 General Relativity and Quantum Cosmology
Abstract
The requirements for stability of a Lorentz violating theory are analyzed. In particular we conclude that Einstein-aether theory can be stable when its modes have any phase velocity, rather than only the speed of light as was argued in a recent paper.
Cite
@article{arxiv.1008.4351,
title = {Stability of the aether},
author = {William Donnelly and Ted Jacobson},
journal= {arXiv preprint arXiv:1008.4351},
year = {2012}
}
Comments
4 pages. v2: matches PRD version