454 citations · 5.4k across the 78 of their papers we have counts for
78 papers
Exploring Modified Gravity: Constraints on the and Parametrization with WMAP, ACT, and SPT
Uendert Andrade, Abraão J. S. Capistrano, Eleonora Di Valentino +1
The cosmic acceleration problem remains one of the most significant challenges in cosmology. One of the proposed solutions to this problem is the modification of gravity on large s…
Cosmographic view on the and tensions
Rocco D'Agostino, Rafael C. Nunes
Measurements of the and parameters within the standard cosmological model recently highlighted significant statistical tensions between the cosmic microwave background…
CDM model: A promising scenario for alleviation of cosmological tensions
Ozgur Akarsu, Eleonora Di Valentino, Suresh Kumar +3
We present a comprehensive analysis of the CDM model, which explores the recent conjecture suggesting a rapid transition of the Universe from anti-de Sitter vacua to de…
The state of the dark energy equation of state circa 2023
Luis A. Escamilla, William Giarè, Eleonora Di Valentino +2
We critically examine the state of current constraints on the dark energy (DE) equation of state (EoS) . Our study is motivated by the observation that, while broadly consistent…
Omnipotent dark energy: A phenomenological answer to the Hubble tension
Shahnawaz A. Adil, Ozgur Akarsu, Eleonora Di Valentino +4
This paper introduces the class of omnipotent dark energy (DE) models characterized by nonmonotonic energy densities that are capable of attaining negative values with correspondin…
A Consistent View of Interacting Dark Energy from Multiple CMB Probes
Yuejia Zhai, William Giarè, Carsten van de Bruck +3
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 indep…
New late-time constraints on gravity
Suresh Kumar, Rafael C. Nunes, Supriya Pan +1
Modification of general relativity (GR) inspired by theories like gravity is among the most popular ones to explain the late-time acceleration of the Universe as an alternat…
Exploring the tension and the evidence of dark sector interaction from 2D BAO measurements
Armando Bernui, Eleonora Di Valentino, William Giarè +2
We explore observational constraints on a cosmological model with an interaction between dark energy (DE) and dark matter (DM), using a compilation of 15 measurements of the 2D BAO…
Forecasting constraints on deviations from general relativity in gravity with standard sirens
Rocco D'Agostino, Rafael C. Nunes
In this work, we explore how modified gravity theories based on the non-metricity scalar, known as gravity, affect the propagation of gravitational waves from inspiraling of…
Evidence for 3XMM J185246.6+003317 as a massive magnetar with a low magnetic field
Rafael C. R. de Lima, Jonas P. Pereira, Jaziel G. Coelho +10
3XMM J185246.6+003317 is a transient magnetar located in the vicinity of the supernova remnant Kes\,79. So far, observations have only set upper limits to its surface magnetic fiel…
Report of the Topical Group on Cosmic Probes of Fundamental Physics for for Snowmass 2021
Rana X. Adhikari, Luis A. Anchordoqui, Ke Fang +118
Cosmic Probes of Fundamental Physics take two primary forms: Very high energy particles (cosmic rays, neutrinos, and gamma rays) and gravitational waves. Already today, these probe…
New cosmological constraints on gravity in light of full Planck-CMB and type Ia supernovae data
Suresh Kumar, Rafael C. Nunes, Priya Yadav
We investigate two new observational perspectives in the context of torsional gravitational modification of general relativity, i.e., the gravity: i) We use Pantheon data of…
Updating non-standard neutrinos properties with Planck-CMB data and full-shape analysis of BOSS and eBOSS galaxies
Suresh Kumar, Rafael C. Nunes, Priya Yadav
Using the latest observational data from Planck-CMB and its combination with the pre-reconstructed full-shape (FS) galaxy power spectrum measurements from the BOSS DR12 sample and…
Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
Elcio Abdalla, Guillermo Franco Abellán, Amin Aboubrahim +200
In this paper we will list a few important goals that need to be addressed in the next decade, also taking into account the current discordances between the different cosmological…
New tests of dark sector interactions from the full-shape galaxy power spectrum
Rafael C Nunes, Sunny Vagnozzi, Suresh Kumar +2
We explore the role of redshift-space galaxy clustering data in constraining non-gravitational interactions between dark energy (DE) and dark matter (DM), for which state-of-the-ar…
Inferring and with cosmic growth rate measurements using machine learning
Felipe Avila, Armando Bernui, Alexander Bonilla +1
Measurements of the cosmological parameter provided by cosmic microwave background and large scale structure data reveal some tension between them, suggesting that the cluste…
Forecasts analysis on varying- theories from gravitational wave standard sirens
L. R. Colaço, R. F. L. Holanda, Rafael C. Nunes +1
Motivated by future gravitational waves observations, we perform forecasts analysis to constrain a possible time variation of the fine structure constant () within the context o…
The homogeneity scale and the growth rate of cosmic structures
Felipe Avila, Armando Bernui, Rafael C. Nunes +2
We propose a novel approach to obtain the growth rate of cosmic structures, , from the evolution of the cosmic homogeneity scale, . Our methodology needs two…
Late time interacting cosmologies and the Hubble constant tension
Stefano Gariazzo, Eleonora Di Valentino, Olga Mena +1
In this manuscript we reassess the potential of interacting dark matter-dark energy models in solving the Hubble constant tension. These models have been proposed but also question…
No slip gravity in light of LISA standard sirens
Alireza Allahyari, Rafael C. Nunes, David F. Mota
Standard sirens (SS) are the gravitational wave analog of the astronomical standard candles, and can provide powerful information about the dynamics of the Universe up to very high…
Search for sub-solar mass binaries with Einstein Telescope and Cosmic Explorer
Rafael C. Nunes
A possible detection of sub-solar mass ultra-compact objects would lead to new perspectives on the existence of black holes that are not of astrophysical origin and/or pertain to f…
Dark sector interaction and the supernova absolute magnitude tension
Rafael C. Nunes, Eleonora Di Valentino
It has been intensively discussed if modifications in the dynamics of the Universe at late times is able or not to solve the tension. On the other hand, it has also been argu…
Arbitrating the discrepancy with growth rate measurements from Redshift-Space Distortions
Rafael C. Nunes, Sunny Vagnozzi
Within the CDM model, measurements from recent Cosmic Microwave Background (CMB) and weak lensing (WL) surveys have uncovered a disagreement in the inferred value of t…
Minimal theory of massive gravity in the light of CMB data and the tension
Jose C. N. de Araujo, Antonio De Felice, Suresh Kumar +1
We investigate the Minimal Theory of Massive Gravity (MTMG) in the light of different observational data sets which are in tension within the CDM cosmology. In particular, we an…