Cosmic Microwave Background Anisotropies

Details Cosmic Microwave Background Anisotropies Cosmic Microwave Background Anisotropies

2001-10-18

arxiv.org/abs/astro-ph/0110414v1

Ann.Rev.Astron.Astrophys.40:171-216,2002

Astronomy and Astrophysics

Astrophysics

52 pages, 5 figures, 5 plates; Ann. Rev. Astron. Astrophys. 2002 http://background.uchicago.edu/~whu

Scientific paper

10.1146/annurev.astro.40.060401.

Cosmic microwave background (CMB) temperature anisotropies have and will continue to revolutionize our understanding of cosmology. The recent discovery of the previously predicted acoustic peaks in the power spectrum has established a working cosmological model: a critical density universe consisting of mainly dark matter and dark energy, which formed its structure through gravitational instability from quantum fluctuations during an inflationary epoch. Future observations should test this model and measure its key cosmological parameters with unprecedented precision. The phenomenology and cosmological implications of the acoustic peaks are developed in detail. Beyond the peaks, the yet to be detected secondary anisotropies and polarization present opportunities to study the physics of inflation and the dark energy. The analysis techniques devised to extract cosmological information from voluminous CMB data sets are outlined, given their increasing importance in experimental cosmology as a whole.

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