中文

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 Vϕ2V \propto \phi^2 势中,NMDC-Palatini效应将允许加速的区域从GR情形扩大了。

关键词

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))