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Cosmology at low frequencies: the 21 cm transition and the high-redshift universe

Furlanetto, Steven; Oh, S Peng; Briggs, Franklin


Observations of the high-redshift Universe with the 21 cm hyperfine line of neutral hydrogen promise to open an entirely new window onto the early phases of cosmic structure formation. Here we review the physics of the 21 cm transition, focusing on processes relevant at high redshifts, and describe the insights to be gained from such observations. These include measuring the matter power spectrum at z ∼ 50, observing the formation of the cosmic web and the first luminous sources, and mapping...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Physics Reports: Review Section of Physics Letters
DOI: 10.1016/j.physrep.2006.08.002


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