早期宇宙M理论模型中七个方向的稳定化
高能物理 - 理论
2009-07-30 v3 广义相对论与量子宇宙学
高能物理 - 唯象学
摘要
我们的模型由M理论中均匀分布在公共横向空间中的相交22'55'膜组成。状态方程遵循U对偶对称性。在该模型中,三个空间方向膨胀,七个方向稳定为恒定大小。从弦理论的角度看,膨胀子因此被稳定。恒定大小取决于初始值之间的某种不平衡。自然地,在几个数量级内得到和。更小的数值,例如,也是可能的,但需要精细调节。
引用
@article{arxiv.0810.4049,
title = {Stabilisation of Seven Directions in an Early Universe M -- theory Model},
author = {Samrat Bhowmick and Sanatan Digal and S. Kalyana Rama},
journal= {arXiv preprint arXiv:0810.4049},
year = {2009}
}
备注
11 Pagesl. Latex file. Version 2: Minor changes and a reference added. Version 3: Title changed; many textual modifications, mainly to keep within journal's length constraints, and to explain the differences between brane gas models and intersecting brane configurations used here; references added. To appear in Physical Review D (Rapid communications)