Measuring the spectral running from cosmic microwave background and primordial black holes

doi:10.1140/epjc/s10052-018-6471-z

	Measuring the spectral running from cosmic microwave background and primordial black holes
	Li, J ; Huang, QG
刊名	EUROPEAN PHYSICAL JOURNAL C
	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
文献子类	Article
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
资助机构	NSFC [11335012, 11575271, 11690021, 11747601] ; NSFC [11335012, 11575271, 11690021, 11747601] ; Top-Notch Young Talents Program of China ; Top-Notch Young Talents Program of China ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/22742]
专题	计算平台成果
作者单位	1.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, 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.Yangzhou Univ, Coll Phys Sci & Technol, Ctr Gravitat & Cosmol, Yangzhou 225009, Jiangsu, 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.