Cosmology at low frequencies: The 21 cm transition and the high-redshift Universe
@article{Furlanetto2006CosmologyAL, title={Cosmology at low frequencies: The 21 cm transition and the high-redshift Universe}, author={Steven R. Furlanetto and S. Peng Oh and Frank H. Briggs}, journal={Physics Reports}, year={2006}, volume={433}, pages={181-301} }
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References
SHOWING 1-10 OF 459 REFERENCES
21 Centimeter Fluctuations from Cosmic Gas at High Redshifts
- Physics
- 2004
The relatively large Thomson optical depth, τes, inferred recently from the WMAP observations suggests that the universe was reionized in a more complex manner than previously believed. However, the…
Radio Foregrounds for the 21 Centimeter Tomography of the Neutral Intergalactic Medium at High Redshifts
- Physics
- 2002
Absorption or emission against the cosmic microwave background (CMB) radiation may be observed in the redshifted 21 cm line if the spin temperature of the neutral intergalactic medium (IGM) prior to…
The Reionization History at High Redshifts. I. Physical Models and New Constraints from Cosmic Microwave Background Polarization
- Physics
- 2003
The recent discovery of a high optical depth τ to Thomson scattering from the Wilkinson Microwave Anisotropy Probe (WMAP) data implies that significant reionization took place at redshifts z > 6.…
H I 21 Centimeter Absorption beyond the Epoch of Reionization
- Physics
- 2002
We explore the possibility of detecting H I 21 cm absorption by the neutral intergalactic medium (IGM) toward very high redshift radio sources. The epoch considered is between the time when the first…
Detecting the Earliest Galaxies through Two New Sources of 21 Centimeter Fluctuations
- Physics
- 2004
The first galaxies that formed at a redshift z ~ 20-30 emitted continuum photons with energies between the Lyα and Lyman limit wavelengths of hydrogen, to which the neutral universe was transparent…
Probing beyond the Epoch of Hydrogen Reionization with 21 Centimeter Radiation
- Physics
- 2003
We use numerical simulations of hydrogen reionization by stellar sources in the context of ΛCDM cosmogonies to investigate the 21 (1 + z) cm radio signal expected from the diffuse intergalactic…
Foregrounds for 21-cm observations of neutral gas at high redshift
- Physics
- 2003
We investigate a number of potential foregrounds for an ambitious goal of future radio telescopes such as the Square Kilometer Array (SKA) and the Low Frequency Array (LOFAR): spatial tomography of…
HI fluctuations at large redshifts: III — Simulating the signal expected at GMRT
- Physics
- 2004
We simulate the distribution of neutral hydrogen (HI) at the redshiftsz = 1.3 and 3.4 using a cosmological N-body simulation along with a prescription for assigning HI masses to the particles. The HI…
A characteristic size of ∼10 Mpc for the ionized bubbles at the end of cosmic reionization
- PhysicsNature
- 2004
The first galaxies to appear in the Universe at redshifts z > 20 created ionized bubbles in the intergalactic medium of neutral hydrogen left over from the Big Bang. The ionized bubbles grew with…