Palatini宇宙学中的非极小导数耦合:混沌暴胀势中的加速
广义相对论与量子宇宙学
2017-12-27 v4
摘要
我们关注慢滚机制下的NMDC-Palatini宇宙学。我们给出了平坦FLRW宇宙学NMDC-Palatini场方程及加速条件。对晚期轨迹进行了近似。此处考虑了混沌暴胀势,因为它在受CMB结果约束的正耦合常数范围内是可行的。相图表明NMDC-Palatini给出了新的鞍点解。在 势中,NMDC-Palatini效应将允许加速的区域从GR情形扩大了。
引用
@article{arxiv.1703.09663,
title = {Non-minimal derivative coupling in Palatini cosmology: acceleration in chaotic inflation potential},
author = {Somphoach Saichaemchan and Burin Gumjudpai},
journal= {arXiv preprint arXiv:1703.09663},
year = {2017}
}
备注
7 pages, 1 figure, extended content of the version to appear in Journal of Physics Conference Series (Proceedings of the 12th Siam Physics Congress (2017))