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Probing for cosmological parameters with LAMOST measurement
Li H(李虹); Xia JQ(夏俊卿); Zhang XM(张新民); Li, H; Xia, JQ; Fan, ZH; Zhang, XM
2008
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
期号10页码:46
通讯作者[Li, Hong ; Zhang, Xinmin] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Li, Hong ; Zhang, Xinmin] Chinese Acad Sci, TPCSF, Beijing 100049, Peoples R China ; [Li, Hong ; Fan, Zuhui] Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China ; [Xia, Jun-Qing] Scuola Int Super Studi Avanzati, I-34014 Trieste, Italy
文章类型Article
摘要In this paper we study the sensitivity of the Large Sky Area MultiObject Fiber Spectroscopic Telescope (LAMOST) project for the determination of cosmological parameters, employing the Monte Carlo Markov chains method. For comparison, we first analyze the constraints on cosmological parameters from current observational data, including those from the Wilkinson Microwave Anisotropy Probe, Sloan Digital Sky Survey and SNIa (type Ia supernovae). We then simulate the 3D matter power spectrum data expected from LAMOST, together with the simulated cosmic microwave background data for PLANCK and the SNIa data from the five-year Supernovae Legacy Survey. With the simulated data, we investigate the future improvement of cosmological parameter constraints, emphasizing the role of LAMOST. Our results show the potential of LAMOST in probing for the cosmological parameters, especially in constraining the equation of state of the dark energy and the neutrino mass.
关键词surveys of galaxies cosmological simulations
学科领域Astronomy & Astrophysics; Physics
DOI10.1088/1475-7516/2008/10/046
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语种英语
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000260529800046
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240376
专题理论物理室
粒子天体物理中心
多学科研究中心
作者单位中国科学院高能物理研究所
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Li H,Xia JQ,Zhang XM,et al. Probing for cosmological parameters with LAMOST measurement[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2008(10):46.
APA 李虹.,夏俊卿.,张新民.,Li, H.,Xia, JQ.,...&Zhang, XM.(2008).Probing for cosmological parameters with LAMOST measurement.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(10),46.
MLA 李虹,et al."Probing for cosmological parameters with LAMOST measurement".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .10(2008):46.
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