Conservation Laws for Cosmological Perurbations
General Relativity and Quantum Cosmology
2007-05-23 v1
Abstract
We briefly recall the problem of defining conserved quantities such as energy in general relativity, and the solution by introducing a symmetric background. We apply the general formalism to perturbed Robertson-Walker spacetimes with de Sitter geometry as background. We relate the obtained conserved quantities to Traschen's integral constraints and mention a few applications in cosmology.
Cite
@article{arxiv.gr-qc/9804049,
title = {Conservation Laws for Cosmological Perurbations},
author = {Nathalie Deruelle and Jean-Philippe Uzan},
journal= {arXiv preprint arXiv:gr-qc/9804049},
year = {2007}
}
Comments
7 pages, no figure, published in the Proceedings of the workshop on Cosmology and Time Asymmetry, Peyresq, July 21-31,1996, Int. Jour. Theor. Physics, 36, 2461 (1997)