Snowmass2021-Letter of interest cosmology intertwined II: The hubble constant tension

E Di Valentino, LA Anchordoqui, Ö Akarsu… - Astroparticle …, 2021 - Elsevier
The current cosmological probes have provided a fantastic confirmation of the standard Λ
Cold Dark Matter cosmological model, which has been constrained with unprecedented …

Unfinished fabric of the three neutrino paradigm

F Capozzi, E Di Valentino, E Lisi, A Marrone… - Physical Review D, 2021 - APS
In the current 3 ν paradigm, neutrino flavor oscillations probe three mixing angles (θ 12, θ
23, θ 13), one CP-violating phase δ, and two independent differences between the squared …

Cosmological solutions and growth index of matter perturbations in gravity

W Khyllep, A Paliathanasis, J Dutta - Physical Review D, 2021 - APS
The present work studies one of Einstein's alternative formulations based on the
nonmetricity scalar Q generalized as f (Q) theory. More specifically, we consider the power …

Arbitrating the S8 discrepancy with growth rate measurements from redshift-space distortions

RC Nunes, S Vagnozzi - Monthly Notices of the Royal …, 2021 - academic.oup.com
Within the Lambda cold dark matter (ΛCDM) model, measurements from recent cosmic
microwave background (CMB) and weak lensing (WL) surveys have uncovered a∼ 3σ …

Can gravity challenge ?

L Atayde, N Frusciante - Physical Review D, 2021 - APS
We study observational constraints on the nonmetricity f (Q)-gravity which reproduces an
exact Λ CDM background expansion history while modifying the evolution of linear …

Most constraining cosmological neutrino mass bounds

E Di Valentino, S Gariazzo, O Mena - Physical Review D, 2021 - APS
We present here up-to-date neutrino mass limits exploiting the most recent cosmological
data sets. By making use of the cosmic microwave background temperature fluctuation and …

[HTML][HTML] Backreaction in cosmology

S Schander, T Thiemann - Frontiers in Astronomy and Space …, 2021 - frontiersin.org
In this review, we investigate the question of backreaction in different approaches to
cosmological perturbation theory, and with a special focus on quantum theoretical aspects …

Relaxing cosmological tensions with a sign switching cosmological constant

Ö Akarsu, S Kumar, E Özülker, JA Vazquez - Physical Review D, 2021 - APS
Inspired by the recent conjecture originated from graduated dark energy that the Universe
has recently transitioned from anti–de Sitter vacua to de Sitter vacua, we extend the …

Snowmass2021-Letter of interest cosmology intertwined I: Perspectives for the next decade

E Di Valentino, LA Anchordoqui, Ö Akarsu… - Astroparticle …, 2021 - Elsevier
Abstract The standard Λ Cold Dark Matter cosmological model provides an amazing
description of a wide range of astrophysical and astronomical data. However, there are a …

Snowmass2021-Letter of interest cosmology intertwined IV: The age of the universe and its curvature

E Di Valentino, LA Anchordoqui, Ö Akarsu… - Astroparticle …, 2021 - Elsevier
A precise measurement of the curvature of the Universe is of prime importance for
cosmology since it could not only confirm the paradigm of primordial inflation but also help in …