Causality in spin foam models for quantum gravity
广义相对论与量子宇宙学
2007-05-23 v1
摘要
We describe how the Barrett-Crane spin foam model defines transition amplitudes for quantum gravity states and how causality can be consistently implemented in it.
关键词
引用
@article{arxiv.gr-qc/0302018,
title = {Causality in spin foam models for quantum gravity},
author = {Etera R. Livine and Daniele Oriti},
journal= {arXiv preprint arXiv:gr-qc/0302018},
year = {2007}
}
备注
6 pages; uses IOP conference macros; to appear in the Proceedings of the 15th SIGRAV Conference on General Relativity and Gravitational Physics