弦宇宙学中的优雅退出
高能物理 - 理论
2011-04-15 v1 天体物理学
广义相对论与量子宇宙学
摘要
从膨胀子驱动的暴涨相到减速的 Friedmann-Robertson-Walker 时代的优雅退出转变,需要弦有效作用量的某些经典和量子修正。经典修正可以在演化仍处于弱耦合区时稳定高曲率弦相,而量子修正可诱导零能量条件的破坏,使演化朝向减速相发展。
引用
@article{arxiv.hep-th/9711134,
title = {Graceful Exit in String Cosmology},
author = {Ram Brustein and Richard Madden},
journal= {arXiv preprint arXiv:hep-th/9711134},
year = {2011}
}
备注
6 pages, LateX. Contribution to the proceedings of the workshop Modern Modified Theories of Gravitation and Cosmology, 29-30 June, 1997, Ben-Gurion University, Beer-Sheva, Israel and the International Europhysics Conference on High-Energy Physics, 19-26 August, 1997, Jerusalem, Israel