NONSINGULAR COSMOLOGY AND PLANCK SCALE PHYSICS
General Relativity and Quantum Cosmology
2016-08-31 v1 High Energy Physics - Theory
Abstract
New Planck scale physics may solve the singularity problems of classical general relativity and may lead to interesting consequences for very early Universe cosmology. Two approaches to these questions are reviewed in this article. The first is an effective action approach to including the effects of Planck scale physics in the basic framework of general relativity. It is shown that effective actions with improved singularity properties can be constructed. The second approach is based on superstring theory. A scenario which eliminates the big bang singularity and possibly explains the dimensionality of space-time is reviewed.
Cite
@article{arxiv.gr-qc/9503001,
title = {NONSINGULAR COSMOLOGY AND PLANCK SCALE PHYSICS},
author = {Robert H. Brandenberger},
journal= {arXiv preprint arXiv:gr-qc/9503001},
year = {2016}
}
Comments
24 pages, uses phyzzx and epsf macro files, 3 figures