Measuring the scalar induced gravitational waves from observations

doi:10.1140/epjc/s10052-021-09405-0

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Measuring the scalar induced gravitational waves from observations
	Li, Jun 1; Guo, Guang-Hai
刊名	EUROPEAN PHYSICAL JOURNAL C
	2021
卷号	81 期号:7 页码:602
ISSN号	1434-6044
DOI	10.1140/epjc/s10052-021-09405-0
英文摘要	We consider the scalar induced gravitational waves from the cosmic microwave background (CMB) observations and the gravitational wave observations. In the Lambda CDM+r model, we constrain the cosmological parameters within the evolution of the scalar induced gravitational waves by the additional scalar power spectrum. The two special cases called narrow power spectrum and wide power spectrum have influence on the cosmological parameters, especially the combinations of Planck18+BAO+BK15+LISA. We also compare these numerical results from four datasets within LIGO, LISA, IPTA and FAST projects, respectively. The constraints from FAST have a significant impact on tensor-to-scalar ratio. Besides, we only consider the relic density of induced gravitational waves with respect to different frequencies from CMB scale to high frequencies including the range of LIGO and LISA.
学科主题	Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/27395]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.Qingdao Univ Sci & Technol, Sch Math & Phys, Qingdao 266061, Peoples R China 2.Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Li, Jun,Guo, Guang-Hai. Measuring the scalar induced gravitational waves from observations[J]. EUROPEAN PHYSICAL JOURNAL C,2021,81(7):602.
APA	Li, Jun,&Guo, Guang-Hai.(2021).Measuring the scalar induced gravitational waves from observations.EUROPEAN PHYSICAL JOURNAL C,81(7),602.
MLA	Li, Jun,et al."Measuring the scalar induced gravitational waves from observations".EUROPEAN PHYSICAL JOURNAL C 81.7(2021):602.