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Constraining Isocurvature Initial Conditions with WMAP 3-year data

Abstract:

We present constraints on the presence of isocurvature modes from the temperature and polarization CMB spectrum data from the WMAP satellite alone, and in combination with other datasets including SDSS galaxy survey and SNLS supernovae. We find that the inclusion of polarization data allows the WMAP data alone, as well as in combination with complementary observations, to place improved limits on the contribution of CDM and neutrino density isocurvature components individually. With general c...

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Publisher copy:
10.1103/PhysRevD.74.063503

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Journal:
Phys.Rev. D
Volume:
74
Issue:
6
Pages:
063503
Publication date:
2006-06-28
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
Source identifiers:
207695
Keywords:
Pubs id:
pubs:207695
UUID:
uuid:00029fff-53ac-444c-bfde-963ed4e44a5e
Local pid:
pubs:207695
Deposit date:
2012-12-19

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