Cosmological models with one extra dimension
广义相对论与量子宇宙学
2009-10-31 v1 高能物理 - 理论
摘要
We consider cosmological models in which a homogeneous isotropic universe is embedded as a 3+1 dimensional surface into a 4+1 dimensional manifold. The size of the extra dimension depends on time. It is small compared to the size of the universe only if the energy of gravitational self-interaction of the universe through the compact extra dimension dominates over all other kinds of energy. The self-interaction energy gives the main contribution into the Friedmann equation, which governs the dynamics of the scale factor of the universe.
引用
@article{arxiv.gr-qc/9911122,
title = {Cosmological models with one extra dimension},
author = {A. Yu. Neronov},
journal= {arXiv preprint arXiv:gr-qc/9911122},
year = {2009}
}
备注
13 pages, 2 figures