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The Frontier of Reionization: Theory and Forthcoming Observations
Abraham Loeb
The cosmic microwave background provides an image of the Universe 0.4 million years after the big bang, when atomic hydrogen formed out of free electrons and protons. One of the pr…
Dynamical Constraints on the Local Group from the CMB and 2MRS Dipoles
Abraham Loeb, Ramesh Narayan
We place constraints on the dynamics of the Local Group (LG) by comparing the dipole of the Cosmic Microwave Background (CMB) with the peculiar velocity induced by the 2MRS galaxy…
Light-Cone Distortion of the Clustering and Abundance of Massive Galaxies at High-Redshifts
Joseph A. Muñoz, Abraham Loeb
Observational surveys of galaxies are not trivially related to single-epoch snapshots from computer simulations. Observationally, an increase in the distance along the line-of-sigh…
The Polarization of Scattered Lyman Alpha Radiation Around High-Redshift Galaxies
Mark Dijkstra, Abraham Loeb
The high-redshift Universe contains luminous Lyman Alpha (hereafter Lya) emitting sources such as galaxies and quasars. The emitted Lya radiation is often scattered by surrounding…
Verifying the Identity of High-Redshift Massive Galaxies Through the Clustering of Lower Mass Galaxies Around Them
Joseph A. Muñoz, Abraham Loeb
Massive high-redshift galaxies form in over-dense regions where the probability of forming other galaxies is also strongly enhanced. Given an observed flux of a galaxy, the inferre…
Baryonic Acoustic Oscillations in 21cm Emission: A Probe of Dark Energy out to High Redshifts
Stuart Wyithe, Abraham Loeb, Paul Geil
Low-frequency observatories are currently being constructed with the goal of detecting redshifted 21cm emission from the epoch of reionization. These observatories will also be abl…