- 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...
Expand abstract - Publisher copy:
- 10.1103/PhysRevD.74.063503
-
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- Journal:
- Phys.Rev. D
- Volume:
- 74
- Issue:
- 6
- Pages:
- 063503
- Publication date:
- 2006-06-28
- DOI:
- EISSN:
-
1550-2368
- ISSN:
-
1550-7998
- URN:
-
uuid:00029fff-53ac-444c-bfde-963ed4e44a5e
- Source identifiers:
-
207695
- Local pid:
- pubs:207695
- Copyright date:
- 2006
- Notes:
-
8 pages, 7 figures. Revised Sec 4 and Figs 3-4 post-publication to
correct an error for models with varying isocurvature spectral index
Journal article
Constraining Isocurvature Initial Conditions with WMAP 3-year data
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