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Constraints on isocurvature models from the WMAP first-year data

Abstract:

We investigate the constraints imposed by the first-year WMAP CMB data extended to higher multipole by data from ACBAR, BOOMERANG, CBI and the VSA and by the LSS data from the 2dF galaxy redshift survey on the possible amplitude of primordial isocurvature modes. A flat universe with CDM and Lambda is assumed, and the baryon, CDM (CI), and neutrino density (NID) and velocity (NIV) isocurvature modes are considered. Constraints on the allowed isocurvature contributions are established from the ...

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Publisher copy:
10.1103/PhysRevD.70.103520

Authors


Journal:
Phys.Rev. D
Volume:
70
Issue:
10
Pages:
103520
Publication date:
2004-07-15
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:eb139236-29d5-42be-8016-5754947ef2f8
Source identifiers:
16991
Local pid:
pubs:16991
Keywords:

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