宇宙膨胀与时间之箭
天体物理学
2007-05-23 v3 广义相对论与量子宇宙学
高能物理 - 理论
摘要
宇宙膨胀主张将标准大爆炸的初始条件变得“普遍”。但玻尔兹曼教导我们,热力学时间之箭源于非常非“普遍”(“低熵”)的初始条件。我讨论如何调和这些观点。所得洞见提供了一种有趣的方式来理解膨胀,并将膨胀与其他声称能提供初始条件备选理论的想法进行比较。
引用
@article{arxiv.astro-ph/0210527,
title = {Cosmic Inflation and the Arrow of Time},
author = {Andreas Albrecht},
journal= {arXiv preprint arXiv:astro-ph/0210527},
year = {2007}
}
备注
34 pages including 10 figures. To appear in "Science and Ultimate Reality: From Quantum to Cosmos", honoring John Wheeler's 90th birthday. J. D. Barrow, P.C.W. Davies, & C.L. Harper eds. Cambridge University Press (2003) V3: Final version submitted to the editors. Differences from V2: Only added references and fixed typos