A study on inflation with a single-field potential in slow-roll approximation

被引：0
|
作者：
Lu, Zhun [1 ]
Yuan, Jia [1 ]
机构：
[1] Southeast Univ, Sch Phys, Nanjing 211189, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL PLUS | 2020年 / 135卷 / 03期
基金：
中国国家自然科学基金;
关键词：
COSMOLOGY; FLATNESS; UNIVERSE; HORIZON; MODELS; SCALE;
D O I：
10.1140/epjp/s13360-020-00301-2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a new potential for inflation with a single-field component. We evaluate the evolution of the slow-roll parameters in our model and find that they are small at the beginning of inflation. We thus apply the slow-roll approximation to calculate the scalar spectral tilt ns and the tensor-to-scalar ratio r. We also calculate the non-Gaussianity fNL in the model using the package BINGO. The analysis of the model is compared with the latest Planck data on ns, r and fNL. A good agreement with those data is found.
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收藏
页数：11
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