The Ups and Downs of Early Dark Energy solutions to the Hubble tension: a review of models, hints and constraints circa 2023
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 …
“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 …
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
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 …
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
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 …
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 …
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
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 …
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 …
in the era prior to recombination, a relativistic species becomes nonrelativistic and is then …
Astrophysical constraints on decaying dark gravitons
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 …
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
This paper introduces the class of omnipotent dark energy (DE) models characterized by
nonmonotonic energy densities that are capable of attaining negative values with …
nonmonotonic energy densities that are capable of attaining negative values with …
News from the Swampland—constraining string theory with astrophysics and cosmology
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 …
theory) generically predicts a set of requirements for a consistently quantized theory, the …