In the realm of the Hubble tension—a review of solutions

E Di Valentino, O Mena, S Pan, L Visinelli… - … and Quantum Gravity, 2021 - iopscience.iop.org
The simplest ΛCDM model provides a good fit to a large span of cosmological data but
harbors large areas of phenomenology and ignorance. With the improvement of the number …

Early galaxy formation and its large-scale effects

P Dayal, A Ferrara - Physics Reports, 2018 - Elsevier
Galaxy formation is at the heart of our understanding of cosmic evolution. Although there is a
consensus that galaxies emerged from the expanding matter background by gravitational …

The Simons Observatory: science goals and forecasts

P Ade, J Aguirre, Z Ahmed, S Aiola, A Ali… - … of Cosmology and …, 2019 - iopscience.iop.org
The Simons Observatory (SO) is a new cosmic microwave background experiment being
built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the …

Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension

S Vagnozzi - Universe, 2023 - mdpi.com
The Hubble tension has now grown to a level of significance which can no longer be
ignored and calls for a solution which, despite a huge number of attempts, has so far eluded …

Possible interaction between baryons and dark-matter particles revealed by the first stars

R Barkana - Nature, 2018 - nature.com
The cosmic radio-frequency spectrum is expected to show a strong absorption signal
corresponding to the 21-centimetre-wavelength transition of atomic hydrogen around …

CMB-S4 science case, reference design, and project plan

K Abazajian, G Addison, P Adshead, Z Ahmed… - arxiv preprint arxiv …, 2019 - arxiv.org
CMB-S4 Science Case, Reference Design, and Project Plan Page 1 CMB-S4 Science Case,
Reference Design, and Project Plan CMB-S4 Collaboration July 9, 2019 arxiv:1907.04473v1 …

Cosmic microwave background limits on accreting primordial black holes

Y Ali-Haïmoud, M Kamionkowski - Physical Review D, 2017 - APS
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 binary-black …

CMB-S4 science book

KN Abazajian, P Adshead, Z Ahmed, SW Allen… - arxiv preprint arxiv …, 2016 - arxiv.org
This book lays out the scientific goals to be addressed by the next-generation ground-based
cosmic microwave background experiment, CMB-S4, envisioned to consist of dedicated …

The first three seconds: a review of possible expansion histories of the early universe

R Allahverdi, MA Amin, A Berlin, N Bernal… - arxiv preprint arxiv …, 2020 - arxiv.org
It is commonly assumed that the energy density of the Universe was dominated by radiation
between reheating after inflation and the onset of matter domination 54,000 years later …

Hints, neutrino bounds, and WDM constraints from SDSS DR14 Lyman-α and Planck full-survey data

N Palanque-Delabrouille, C Yèche… - … of Cosmology and …, 2020 - iopscience.iop.org
The Lyman-α forest 1D flux power spectrum is a powerful probe of several cosmological
parameters. Assuming a ΛCDM cosmology including massive neutrinos, we find that the …