Challenges for ΛCDM: An update

L Perivolaropoulos, F Skara - New Astronomy Reviews, 2022 - Elsevier
A number of challenges to the standard Λ CDM model have been emerging during the past
few years as the accuracy of cosmological observations improves. In this review we discuss …

Einstein, Planck and Vera Rubin: relevant encounters between the Cosmological and the Quantum Worlds

P Salucci, G Esposito, G Lambiase, E Battista… - Frontiers in …, 2021 - frontiersin.org
In Cosmology and in Fundamental Physics there is a crucial question like: where the elusive
substance that we call Dark Matter is hidden in the Universe and what is it made of? that …

Tension and constraints on modified gravity parametrizations of from growth rate and Planck data

S Nesseris, G Pantazis, L Perivolaropoulos - Physical Review D, 2017 - APS
We construct an updated and extended compilation of growth-rate data based on recent
redshift-space distortion measurements. The data set consists of 34 data points and includes …

Observational constraints on one-parameter dynamical dark-energy parametrizations and the tension

W Yang, S Pan, E Di Valentino, EN Saridakis… - Physical Review D, 2019 - APS
The phenomenological parametrizations of dark-energy (DE) equations of state can be very
helpful, since they allow for the investigation of its cosmological behavior despite the fact …

Independent cosmological constraints from high-z H ii galaxies: new results from VLT-KMOS data

AL González-Morán, R Chávez… - Monthly Notices of …, 2021 - academic.oup.com
We present independent determinations of cosmological parameters using the distance
estimator based on the established correlation between the Balmer line luminosity, L (H β) …

Barrow entropy cosmology: an observational approach with a hint of stability analysis

G Leon, J Magaña, A Hernández-Almada… - … of Cosmology and …, 2021 - iopscience.iop.org
In this work, we use an observational approach and dynamical system analysis to study the
cosmological model recently proposed by Saridakis (2020), which is based on the …

Cosmological constraints from H ii starburst galaxy apparent magnitude and other cosmological measurements

S Cao, J Ryan, B Ratra - Monthly Notices of the Royal …, 2020 - academic.oup.com
We use H ii starburst galaxy apparent magnitude measurements to constrain cosmological
parameters in six cosmological models. A joint analysis of H ii galaxy, quasar angular size …

Taxonomy of dark energy models

V Motta, MA García-Aspeitia, A Hernández-Almada… - Universe, 2021 - mdpi.com
The accelerated expansion of the Universe is one of the main discoveries of the past
decades, indicating the presence of an unknown component: the dark energy. Evidence of …

An independent determination of the local Hubble constant

D Fernández Arenas, E Terlevich… - Monthly Notices of …, 2018 - academic.oup.com
The relationship between the integrated H β line luminosity and the velocity dispersion of the
ionized gas of H ii galaxies and giant H ii regions represents an exciting standard candle …

Cosmological constraints from H ii starburst galaxy, quasar angular size, and other measurements

S Cao, J Ryan, B Ratra - Monthly Notices of the Royal …, 2022 - academic.oup.com
We compare the constraints from two (2019 and 2021) compilations of H ii starburst galaxy
(H iiG) data and test the model independence of quasar (QSO) angular size data using six …