Dark energy imprints on the kinematic Sunyaev-Zel'dovich signal

	Dark energy imprints on the kinematic Sunyaev-Zel'dovich signal
	Ma, Yin-Zhe 1,2; Zhao, Gong-Bo3,4
刊名	PHYSICS LETTERS B
	2014-07-30
卷号	735 页码:402-411
英文摘要	We investigate the imprint of dark energy on the kinetic Sunyaev-Zel'dovich (kSZ) angular power spectrum on scales of l = 1000 to 10 000, and find that the kSZ signal is sensitive to the dark energy parameter. For example, varying the constant w by 20% around w = -1 results in a greater than or similar to 10% change on the kSZ spectrum; changing the dark energy dynamics parametrized by w(a) by +/- 0.5, a 30% change on the kSZ spectrum is expected. We discuss the observational aspects and develop a fitting formula for the kSZ power spectrum. Finally, we discuss how the precise modeling of the post-reionization signal would help the constraints on patchy reionization signal, which is crucial for measuring the duration of reionization. (C) 2014 The Authors. Published by Elsevier B.V.
收录类别	SCI
语种	英语
WOS记录号	WOS:000340048900070
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/6556]
专题	国家天文台_星系宇宙学研究部
作者单位	1.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada 2.Canadian Inst Theoret Astrophys, Toronto, ON M5S 1A1, Canada 3.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China 4.Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England
推荐引用方式 GB/T 7714	Ma, Yin-Zhe,Zhao, Gong-Bo. Dark energy imprints on the kinematic Sunyaev-Zel'dovich signal[J]. PHYSICS LETTERS B,2014,735:402-411.
APA	Ma, Yin-Zhe,&Zhao, Gong-Bo.(2014).Dark energy imprints on the kinematic Sunyaev-Zel'dovich signal.PHYSICS LETTERS B,735,402-411.
MLA	Ma, Yin-Zhe,et al."Dark energy imprints on the kinematic Sunyaev-Zel'dovich signal".PHYSICS LETTERS B 735(2014):402-411.