About Time
广义相对论与量子宇宙学
2007-05-23 v1
摘要
The concept of time is discussed in the context of the canonical formulation of the gravitational field. Using a hypersurface orthogonal foliation, the arbitrariness of the lapse function is eliminated and the shift vector vanishes, allowing a consistent definition of time.
引用
@article{arxiv.gr-qc/9611010,
title = {About Time},
author = {M. D. Maia},
journal= {arXiv preprint arXiv:gr-qc/9611010},
year = {2007}
}
备注
10 pages, Revtex, no figures, email [email protected]