Anisotropies in the Cosmic Microwave Background: Theory

Details Anisotropies in the Cosmic Microwave Background: Theory Anisotropies in the Cosmic Microwave Background: Theory

1997-02-14

arxiv.org/abs/astro-ph/9702134v1

Astronomy and Astrophysics

Astrophysics

10 pages, 5 figures. To be published in Proceedings of 18th Texas Symposium on Relativistic Astrophysics

Scientific paper

Anisotropies in the Cosmic Microwave Background (CMB) contain a wealth of information about the past history of the universe and the present values of cosmological parameters. I ouline some of the theoretical advances of the last few years. In particular, I emphasize that for a wide class of cosmological models, theorists can accurately calculate the spectrum to better than a percent. The specturm of anisotropies today is directly related to the pattern of inhomogeneities present at the time of recombination. This recognition leads to a powerful argument that will enable us to distinguish inflationary models from other models of structure formation. If the inflationary models turn out to be correct, the free parameters in these models will be determined to unprecedented accuracy by the upcoming satellite missions.

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