Cosmological Constant from Conformal Fluctuations of the Metric
Astrophysics
2007-05-23 v1
Abstract
At the level of the Planck scale, the spacetime metric has to be considered a quantum variable. Conformal quantum fluctuations of the metric tensor are studied here. They lead to an extra term in the Einstein equations which can be identified with a cosmological constant. Quantum fluctuations may therefore contribute to an accelerated expansion of the universe, in accordance with newer observational data.
Keywords
Cite
@article{arxiv.astro-ph/0107503,
title = {Cosmological Constant from Conformal Fluctuations of the Metric},
author = {Alex H. Blin},
journal= {arXiv preprint arXiv:astro-ph/0107503},
year = {2007}
}
Comments
5 pages, LaTeX, 1 figure (EPS)