A redshift-distortion-free correlation function at third order in the non-linear regime

	A redshift-distortion-free correlation function at third order in the non-linear regime
	Meng, Kelai1 ; Pan, Jun 1,2; Szapudi, Istvan 2; Feng, Longlong1
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2011-05-01
卷号	413 期号:3 页码:1700-1708
关键词	methods: statistical cosmology: theory dark matter large-scale structure of Universe
ISSN号	0035-8711
英文摘要	The zeroth-order component of the cosine expansion of the projected three-point correlation function is proposed for the clustering analysis of cosmic large-scale structure. These functions are third-order statistics but can be measured similarly to the projected two-point correlations. Numerical experiments with N-body simulations indicate that the advocated statistics are redshift distortion free within 10 per cent in the non-linear regime on scales of similar to 0.2-10 h-1 Mpc. The halo model prediction of the zeroth-order component of the projected three-point correlation function agrees with simulations within similar to 10 per cent. This lays the ground for using these functions to perform joint analyses with the projected two-point correlation functions, exploring galaxy clustering properties in the framework of the halo model and relevant extensions.
学科主题	Astronomy & Astrophysics
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
关键词[WOS]	3-POINT CORRELATION-FUNCTION ; LARGE-SCALE STRUCTURE ; N-BODY SIMULATIONS ; HALO OCCUPATION DISTRIBUTION ; SPACE POWER SPECTRUM ; DARK-MATTER HALOES ; GALAXY FORMATION ; PERTURBATION-THEORY ; DENSITY PROFILES ; ANALYTIC MODEL
收录类别	SCI
语种	英语
WOS记录号	WOS:000290487700016
公开日期	2012-08-07
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/4470]
专题	紫金山天文台_南极天文中心
作者单位	1.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China 2.Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
推荐引用方式 GB/T 7714	Meng, Kelai,Pan, Jun,Szapudi, Istvan,et al. A redshift-distortion-free correlation function at third order in the non-linear regime[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2011,413(3):1700-1708.
APA	Meng, Kelai,Pan, Jun,Szapudi, Istvan,&Feng, Longlong.(2011).A redshift-distortion-free correlation function at third order in the non-linear regime.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,413(3),1700-1708.
MLA	Meng, Kelai,et al."A redshift-distortion-free correlation function at third order in the non-linear regime".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 413.3(2011):1700-1708.