arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1403.6403hep-phastro-ph.CO
收藏

简单通货膨胀模型的观测状态：更新

The Observational Status of Simple Inflationary Models: an Update

Nobuchika Okada, Vedat Nefer Şenoğuz, Qaisar Shafi

备注：
1+14 pages, 6 figures, 5 tables. v4: Title changed and manuscript revised taking into account Planck 2015 results
发表信息：
Turk J Phys, 40, (2016), 150-162
阅读 PDF
arXiv 页面 ↗HTML 原文 ↗

摘要：

我们提供了一个更新的五个相对较好的动机暴胀模型，其中暴胀子是一个标准模型单重标量场。这些模型包括i）教科书上的二次和四次势模型，但增加了暴胀子与费米子和玻色子的耦合，这使得能够再加热，也修改了标量谱指数$n_s$和$r$的朴素预测，ii）希格斯和科尔曼-温伯格势模型，最后iii）暴胀子与引力的非最小耦合的四次势模型。对于接近0.96的$n_s$值，如WMAP 9和普朗克实验所确定的，大多数考虑的模型预测$r\gtrsim0.02$。由$|\rm{d} n_s/\rm{d}\ln k|$量化的标量光谱指数的运行在这些模型中预测为$10^{-4}$ -$10^{-3}$阶。

英文摘要：

We provide an update on five relatively well motivated inflationary models in which the inflaton is a Standard Model singlet scalar field. These include i) the textbook quadratic and quartic potential models but with additional couplings of the inflaton to fermions and bosons, which enable reheating and also modify the naive predictions for the scalar spectral index $n_s$ and $r$, ii) models with Higgs and Coleman-Weinberg potentials, and finally iii) a quartic potential model with non-minimal coupling of the inflaton to gravity. For $n_s$ values close to 0.96, as determined by the WMAP9 and Planck experiments, most of the considered models predict $r\gtrsim0.02$. The running of the scalar spectral index, quantified by $|\rm{d} n_s/\rm{d}\ln k|$, is predicted in these models to be of order $10^{-4}$--$10^{-3}$.

机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。

↑