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CMBPol Mission Concept Study: Reionization Science with the Cosmic Microwave Background
Matias Zaldarriaga, Loris Colombo, Eiichiro Komatsu +6
We summarize existing constraints on the epoch of reionization and discuss the observational probes that are sensitive to the process. We focus on the role large scale polarization…
Falsifying Paradigms for Cosmic Acceleration
Michael J. Mortonson, Wayne Hu, Dragan Huterer
Consistency relations between growth of structure and expansion history observables exist for any physical explanation of cosmic acceleration, be it a cosmological constant, scalar…
Reionization constraints from five-year WMAP data
Michael J. Mortonson, Wayne Hu
We study the constraints on reionization from five years of WMAP data, parametrizing the evolution of the average fraction of ionized hydrogen with principal components that provid…
Impact of reionization on CMB polarization tests of slow-roll inflation
Michael J. Mortonson, Wayne Hu
Estimates of inflationary parameters from the CMB B-mode polarization spectrum on the largest scales depend on knowledge of the reionization history, especially at low tensor-to-sc…
Model-independent constraints on reionization from large-scale CMB polarization
Michael J. Mortonson, Wayne Hu
On large angular scales, the polarization of the CMB contains information about the evolution of the average ionization during the epoch of reionization. Interpretation of the pola…
The Maximum B-mode Polarization of the Cosmic Microwave Background from Inhomogeneous Reionization
Michael J. Mortonson, Wayne Hu
We compute the B-mode polarization power spectrum of the CMB from an epoch of inhomogeneous reionization, using a simple model in which HII regions are represented by ionized spher…