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Testing oscillating primordial spectrum and oscillating dark energy with astronomical observations
Liu J(刘杰); Li H(李虹); Zhang XM(张新民); Liu, J; Li, H; Xia, JQ; Zhang, XM
2009
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Issue7Pages:17
Corresponding Author[Liu, Jie ; 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 ; [Xia, Jun-Qing] Scuola Int Super Studi Avanzati, I-34014 Trieste, Italy
SubtypeArticle
AbstractIn this paper we revisit the issue of determining the oscillating primordial scalar power spectrum and oscillating equation of state of dark energy from the astronomical observations. By performing a global analysis with the Markov Chain Monte Carlo method, we find that the current observations from five-year WMAP and SDSS-LRG matter power spectrum, as well as the "union" supernovae sample, constrain the oscillating index of prim ordial spectrum and oscillating equation of state of dark energy with the amplitudeless than vertical bar n(amp)vertical bar < 0.116 and vertical bar w(amp)vertical bar < 0.232 at 95% confidence level, respectively. This result shows that the oscillatory structures on the primordial scalar spectrum and the equation of state of dark energy are still allowed by the current data. Furthermore, we point out that these kinds of modulation effects will be detectable (or gotten a stronger constraint) in the near future astronomical observations, such as the PLANCK satellite, LAMOST telescope and the currently ongoing supernovae projects SNLS.
Keywordpower spectrum inflation CMBR experiments
Subject AreaAstronomy & Astrophysics; Physics
DOI10.1088/1475-7516/2009/07/017
URL查看原文
Indexed ByINSPIREHEP ; ADS
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000269971100004
ADS Bibcode2009JCAP...07..017L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2009JCAP...07..017L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2009JCAP...07..017L/citations
inspireid810988
inspireURLhttps://inspirehep.net/literature/810988
Citation statistics
Cited Times:15 [INSPIRE]
Cited Times:15 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/240362
Collection理论物理室
粒子天体物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Liu J,Li H,Zhang XM,et al. Testing oscillating primordial spectrum and oscillating dark energy with astronomical observations[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2009(7):17.
APA 刘杰.,李虹.,张新民.,Liu, J.,Li, H.,...&Zhang, XM.(2009).Testing oscillating primordial spectrum and oscillating dark energy with astronomical observations.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(7),17.
MLA 刘杰,et al."Testing oscillating primordial spectrum and oscillating dark energy with astronomical observations".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .7(2009):17.
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