[HTML][HTML] 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 …

[HTML][HTML] 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 …

Cosmographic view on the and tensions

R D'Agostino, RC Nunes - Physical Review D, 2023 - APS
Measurements of the H 0 and σ 8 parameters within the standard cosmological model
recently highlighted significant statistical tensions between the cosmic microwave …

Revealing the effects of curvature on the cosmological models

W Yang, W Giare, S Pan, E Di Valentino, A Melchiorri… - Physical Review D, 2023 - APS
In this paper, we consider the effects of adding curvature in extended cosmologies involving
a free-to-vary neutrino sector and different parametrizations of dark energy (DE). We make …

On the homogeneity of SnIa absolute magnitude in the Pantheon+ sample

L Perivolaropoulos, F Skara - Monthly Notices of the Royal …, 2023 - academic.oup.com
We have analysed the Pantheon+ sample using a new likelihood model that replaces the
single Type Ia supernovae (SnIa) absolute magnitude parameter M used in the standard …

An exponential equation of state of dark energy in the light of 2018 CMB Planck data

MN Castillo-Santos, A Hernández-Almada… - Physics of the Dark …, 2023 - Elsevier
The dynamics of the Universe is analyzed using an exponential function for the dark energy
equation of state, known as Gong-Zhang parameterization. The phase space of the free …

[HTML][HTML] Running Vacuum in the Universe: Phenomenological Status in Light of the Latest Observations, and Its Impact on the σ8 and H0 Tensions

J Solà Peracaula, A Gómez-Valent, J de Cruz Pérez… - Universe, 2023 - mdpi.com
A substantial body of phenomenological and theoretical work over the last few years
strengthens the possibility that the vacuum energy density (VED) of the universe is …

The FLAMINGO project: revisiting the S8 tension and the role of baryonic physics

IG McCarthy, J Salcido, J Schaye… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT A number of recent studies have found evidence for a tension between
observations of large-scale structure (LSS) and the predictions of the standard model of …

Cosmological inference from the EFTofLSS: the eBOSS QSO full-shape analysis

T Simon, P Zhang, V Poulin - Journal of Cosmology and …, 2023 - iopscience.iop.org
We present cosmological results inferred from the effective-field theory (EFT) analysis of the
full-shape of eBOSS quasars (QSO) power spectrum. We validate our analysis pipeline …

Everything you always wanted to know about how causal set theory can help with open questions in cosmology, but were afraid to ask

YK Yazdi - Modern Physics Letters A, 2024 - World Scientific
In this paper, we briefly survey open questions in cosmology that either have been or could
potentially be addressed with the help of the causal set theory approach to quantum gravity …