约束SUSY GUTs与宇宙早期膨胀
高能物理 - 唯象学
2009-11-11 v1
摘要
在超对称大统一理论（SUSY GUTs）的框架内，宇宙经历一系列对称性破缺过程，过程中可能形成拓扑缺陷。我们考察了在大量符合粒子和宇宙学数据的SUSY GUT模型中，混合膨胀阶段后宇宙弦形成的概率。我们表明，宇宙弦极其普遍，应被用于将宇宙学与高能物理联系起来。本结论结合WMAP CMB数据被用于强制约束SUSY混合膨胀模型。我们在SUSY和最小SUGRA框架下研究了F-term和D-term膨胀，发现它们都符合数据但因其超势耦合系数经 Fine-tuning（λ≲3×10^(-5)或更小）。膨胀的质量尺度也被约束在M≲3×10^(15) GeV。
引用
@article{arxiv.hep-ph/0603169,
title = {Constraining SUSY GUTs and Inflation with Cosmology},
author = {Jonathan Rocher},
journal= {arXiv preprint arXiv:hep-ph/0603169},
year = {2009}
}
备注
Based on talks given by J. Rocher at the "IAP Colloquium", Paris in july 2004, at "COSMO 04", Toronto in September 2004, at the Workshop "Quest For Unification", CERN in December 2004 and at the "Einstein's Century Meeting", Paris in june 2005. To appear in the Proceedings of the "Einstein's Century Meeting", Ed. J.-M. Alimi, A. Furzfa, AIP, Paris (2006)