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Secondary anisotropies of the CMB

TitreSecondary anisotropies of the CMB
Type de publicationJournal Article
Year of Publication2008
AuteursAghanim, N, Majumdar, S, Silk, J
JournalReports on Progress in Physics
Date PublishedJun
ISBN Number0034-4885
Numéro d'accèsWOS:000256544200005

The Cosmic Microwave Background fluctuations provide a powerful probe of the dark ages of the universe through the imprint of the secondary anisotropies associated with the reionization of the universe and the growth of structure. We review the relation between the secondary anisotropies and the primary anisotropies that are directly generated by quantum fluctuations in the very early universe. The physics of secondary fluctuations is described, with emphasis on the ionization history and the evolution of structure. We discuss the different signatures arising from the secondary effects in terms of their induced temperature fluctuations, polarization and statistics. The secondary anisotropies are being actively pursued at present, and we review the future and current observational status.

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