The Ups and Downs of Early Dark Energy solutions to the Hubble tension: a review of models, hints and constraints circa 2023

V Poulin, TL Smith, T Karwal - Physics of the Dark Universe, 2023 - Elsevier
We review the current status of Early Dark Energy (EDE) models proposed to resolve the
“Hubble tension”, the discrepancy between “direct” measurements of the current expansion …

A Tale of Many H0

L Verde, N Schöneberg… - Annual Review of …, 2023 - annualreviews.org
▪ The Hubble parameter, H 0, is not an univocally defined quantity: It relates redshifts to
distances in the near Universe, but it is also a key parameter of the ΛCDM standard …

Hyper Suprime-Cam Year 3 results: Cosmology from cosmic shear power spectra

R Dalal, X Li, A Nicola, J Zuntz, MA Strauss… - Physical Review D, 2023 - APS
We measure weak lensing cosmic shear power spectra from the 3-year galaxy shear catalog
of the Hyper Suprime-Cam (HSC) Subaru Strategic Program imaging survey. The shear …

Ultra-light axions and the S 8 tension: joint constraints from the cosmic microwave background and galaxy clustering

KK Rogers, R Hložek, A Laguë… - … of Cosmology and …, 2023 - iopscience.iop.org
We search for ultra-light axions as dark matter (DM) and dark energy particle candidates, for
axion masses 10-32 eV≤ ma≤ 10-24 eV, by a joint analysis of cosmic microwave …

A consistent view of interacting dark energy from multiple CMB probes

Y Zhai, W Giarè, C van de Bruck… - … of Cosmology and …, 2023 - iopscience.iop.org
We analyze a cosmological model featuring an interaction between dark energy and dark
matter in light of the measurements of the Cosmic Microwave Background released by three …

Measurement of gravitational lensing of the cosmic microwave background using SPT-3G 2018 data

Z Pan, F Bianchini, WLK Wu, PAR Ade, Z Ahmed… - Physical Review D, 2023 - APS
We present a measurement of gravitational lensing over 1500 deg 2 of the Southern sky
using SPT-3G temperature data at 95 GHz and 150 GHz taken in 2018. The lensing …

A Step in understanding the tension

M Joseph, D Aloni, M Schmaltz, EN Sivarajan… - Physical Review D, 2023 - APS
Models of dark sectors with a mass threshold can have important cosmological signatures. If,
in the era prior to recombination, a relativistic species becomes nonrelativistic and is then …

Astrophysical constraints on decaying dark gravitons

JAP Law-Smith, G Obied, A Prabhu, C Vafa - Journal of High Energy …, 2024 - Springer
A bstract In the dark dimension scenario, which predicts an extra dimension of micron scale,
dark gravitons (KK modes) are a natural dark matter candidate. In this paper, we study …

Omnipotent dark energy: A phenomenological answer to the Hubble tension

SA Adil, Ö Akarsu, E Di Valentino, RC Nunes… - Physical Review D, 2024 - APS
This paper introduces the class of omnipotent dark energy (DE) models characterized by
nonmonotonic energy densities that are capable of attaining negative values with …

News from the Swampland—constraining string theory with astrophysics and cosmology

N Schöneberg, L Vacher, JDF Dias… - … of Cosmology and …, 2023 - iopscience.iop.org
Our current best guess for a unified theory of gravitation and quantum field theory (string
theory) generically predicts a set of requirements for a consistently quantized theory, the …