Abstract
Measurement of the spatial distribution of neutral hydrogen via the redshifted 21-cm line promises to revolutionize our knowledge of the epoch of reionization and the first galaxies, and may provide a powerful new tool for observational cosmology from redshifts 1) < z < 4. In this review we discuss recent advances in our theoretical understanding of theepoch of reionization (EoR), the application of 21-cm tomography to cosmology and measurements of the dark energy equationof state after reionization, and the instrumentation and observational techniques shared by 21-cm EoR and postreionizationcosmology machines.We place particular emphasis on the expected signal and observational capabilities of first generation 21-cm fluctuation instruments.
| Original language | English |
|---|---|
| Pages (from-to) | 127-171 |
| Number of pages | 45 |
| Journal | Annual Review of Astronomy and Astrophysics |
| Volume | 48 |
| DOIs | |
| Publication status | Published - Sept 2010 |
| Externally published | Yes |
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