Negative energy and stability in scalar-tensor gravity
General Relativity and Quantum Cosmology
2009-11-10 v1
Abstract
Linearized gravitational waves in Brans-Dicke and scalar-tensor theories carry negative energy. A gauge-invariant analysis shows that the background Minkowski space is stable at the classical level with respect to linear scalar and tensor inhomogeneous perturbations.
Cite
@article{arxiv.gr-qc/0408073,
title = {Negative energy and stability in scalar-tensor gravity},
author = {Valerio Faraoni},
journal= {arXiv preprint arXiv:gr-qc/0408073},
year = {2009}
}
Comments
9 pages, latex, to appear in Phys. Rev. D