Measuring the spectral running from cosmic microwave background and primordial black holes
文献类型：期刊论文
| 作者 | Li, J; Huang, QG
|
| 刊名 | EUROPEAN PHYSICAL JOURNAL C
 |
| 出版日期 | 2018 |
| 卷号 | 78期号:11页码:980 |
| 关键词 | BARYON ACOUSTIC-OSCILLATIONS INFLATIONARY UNIVERSE FLATNESS HORIZON SAMPLE |
| ISSN号 | 1434-6044 |
| DOI | 10.1140/epjc/s10052-018-6471-z |
| 英文摘要 | We constrain the spectral running by combining cosmic microwave background (CMB) data, baryon acoustic oscillation (BAO) data and the constraint from primordial black holes (PBHs). We find that the constraint from PBHs has a significant impact on the running of running of scalar spectral index, and a power-law scalar power spectrum without running is consistent with observational data once the constraint from PBHs is taken into account. In addition, from the constraints on the slow-roll parameters, the derived tensor spectral index in the single-field slow-roll inflationmodel is quite small, namely vertical bar n(t)vertical bar less than or similar to 9.3 x 10(-3) which will be very difficult to be measured by CMB data only in the future, and the absolute value of derived running of tensor spectral index is not larger than 2.1 x 10(-4) at 95% confidence level. |
| 学科主题 | Physics |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/22777]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 计算平台成果 |
| 作者单位 | 1.Yangzhou Univ, Coll Phys Sci & Technol, Ctr Gravitat & Cosmol, Yangzhou 225009, Jiangsu, Peoples R China 2.[Li, Jun 3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China 4.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China 5.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, J,Huang, QG. Measuring the spectral running from cosmic microwave background and primordial black holes[J]. EUROPEAN PHYSICAL JOURNAL C,2018,78(11):980. |
| APA | Li, J,&Huang, QG.(2018).Measuring the spectral running from cosmic microwave background and primordial black holes.EUROPEAN PHYSICAL JOURNAL C,78(11),980. |
| MLA | Li, J,et al."Measuring the spectral running from cosmic microwave background and primordial black holes".EUROPEAN PHYSICAL JOURNAL C 78.11(2018):980. |
入库方式： OAI收割
来源：理论物理研究所
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