Extracting Primordial Density Fluctuations

Details Extracting Primordial Density Fluctuations Extracting Primordial Density Fluctuations

1998-06-15

arxiv.org/abs/astro-ph/9806197v1

Science280:1405,1998

Astronomy and Astrophysics

Astrophysics

20 pages including 4 color postscript figures. Full-size figures and data compilation available at http://cfpa.berkeley.edu/

Scientific paper

10.1126/science.280.5368.1405

The combination of detections of anisotropy in the Cosmic Microwave Background radiation and observations of the large-scale distribution of galaxies probes the primordial density fluctuations of the universe on spatial scales varying by three orders of magnitude. These data are found to be inconsistent with the predictions of several popular cosmological models. Agreement between the data and the Cold + Hot Dark Matter model, however, suggests that a significant fraction of the matter in the universe may consist of massive neutrinos.

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