Testing AdS early dark energy with Planck, SPTpol, and LSS data

doi:10.1103/PhysRevD.104.103524

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

	Testing AdS early dark energy with Planck, SPTpol, and LSS data
	Jiang, Jun-Qian ; Piao, Yun-Song
刊名	PHYSICAL REVIEW D
	2021
卷号	104 期号:10 页码:103524
关键词	COSMOLOGY
ISSN号	2470-0010
DOI	10.1103/PhysRevD.104.103524
英文摘要	The Hubble tension might be resolved by injecting a new energy component, called early dark energy (EDE), prior to recombination. An anti-de Sitter (AdS) phase around recombination can make the injected energy decay faster, which thus allows a higher EDE fraction (so larger H-0) while prevents degrading the CMB fit. In this work, we test the AdS-EDE model with CMB and large-scale structure (LSS) data. Our CMB dataset consists of low-l part of Planck TT spectrum and SPTpol polarization and lensing measurements, since this dataset predicts the CMB lensing effect consistent with ACDM expectation. Combining it with BAO and Pantheon data, we find the best fit values H-0 = 71.92 km/s/Mpc and H-0 = 73.29 km/s/Mpc without and with the SH0ES prior, respectively. Including cosmic shear and galaxy clusters data, we have H-0 = 71.87 km/s/Mpc and S-8 = 0.785, i.e., only 1.3 sigma discrepancy with direct S-8 measurement.
学科主题	Astronomy & Astrophysics ; Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/27665]
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.Int Ctr Theoret Phys Asia Pacific, Beijing, Peoples R China 2.[Jiang, Jun-Qian 3.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China 4.UCAS, Hangzhou Inst Adv Study, Sch Fundamental Phys & Math Sci, Hangzhou 310024, Peoples R China 5.Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Jiang, Jun-Qian,Piao, Yun-Song. Testing AdS early dark energy with Planck, SPTpol, and LSS data[J]. PHYSICAL REVIEW D,2021,104(10):103524.
APA	Jiang, Jun-Qian,&Piao, Yun-Song.(2021).Testing AdS early dark energy with Planck, SPTpol, and LSS data.PHYSICAL REVIEW D,104(10),103524.
MLA	Jiang, Jun-Qian,et al."Testing AdS early dark energy with Planck, SPTpol, and LSS data".PHYSICAL REVIEW D 104.10(2021):103524.