Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-10-16
Adv.Sci.Lett.2:105-120,2009
Astronomy and Astrophysics
Astrophysics
18 pages, 12 figures. Invited review to appear in Advanced Science Letters Special Issue on Quantum Gravity, Cosmology and Bla
Scientific paper
10.1166/asl.2009.1019
In this article we review the theory of cosmological inflation with a particular focus on the beautiful connection it provides between the physics of the very small and observations of the very large. We explain how quantum mechanical fluctuations during the inflationary era become macroscopic density fluctuations which leave distinct imprints in the cosmic microwave background (CMB). We describe the physics of anisotropies in the CMB temperature and polarization and discuss how CMB observations can be used to probe the primordial universe.
Baumann Daniel
Peiris Hiranya V.
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