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Stochastic gravitational waves associated with the formation of primordial black holes
Tomohiro Nakama, Joseph Silk, Marc Kamionkowski
Primordial black hole (PBH) mergers have been proposed as an explanation for the gravitational wave events detected by the LIGO collaboration. Such PBHs may be formed in the early…
Cosmic microwave background limits on accreting primordial black holes
Yacine Ali-Haïmoud, Marc Kamionkowski
Interest in the idea that primordial black holes (PBHs) might comprise some or all of the dark matter has recently been rekindled following LIGO's first direct detection of a binar…
The Black Hole Mass Function from Gravitational Wave Measurements
Ely D. Kovetz, Ilias Cholis, Patrick C. Breysse +1
We examine how future gravitational-wave measurements from merging black holes (BHs) can be used to infer the shape of the black-hole mass function, with important implications for…
Towards a measurement of the spectral runnings
Julian B. Muñoz, Ely D. Kovetz, Alvise Raccanelli +2
Single-field slow-roll inflation predicts a nearly scale-free power spectrum of perturbations, as observed at the scales accessible to current cosmological experiments. This spectr…
Evolution of CMB spectral distortion anisotropies and tests of primordial non-Gaussianity
Jens Chluba, Emanuela Dimastrogiovanni, Mustafa A. Amin +1
Anisotropies in distortions to the frequency spectrum of the cosmic microwave background (CMB) can be created through spatially varying heating processes in the early Universe. For…
Insights from probability distribution functions of intensity maps
Patrick C. Breysse, Ely D. Kovetz, Peter S. Behroozi +2
In the next few years, intensity-mapping surveys that target lines such as CO, Ly, and CII stand to provide powerful probes of high-redshift astrophysics. However, these line em…