143 citations · 254 across the 8 of their papers we have counts for
8 papers
N-body Simulations of Large-Scale Structure in the Generalized Cubic Covariant Galileon Model
Luís Atayde, Noemi Frusciante, Baojiu Li
We present the first N-body simulations of structure formation in the Generalized Cubic Covariant Galileon (GCCG) model. This theory extends the cubic covariant Galileon through po…
Inverse non-metricity in gravity: cosmology and observational constraints
Luís Atayde, Simão Marques Nunes, Noemi Frusciante
We study a minimal modified gravity scenario in the symmetric teleparallel (non-metricity) formulation, focusing on an inverse non-metricity term with . The mode…
Matter Power Spectra in Modified Gravity: A Comparative Study of Approximations and -Body Simulations
Benjamin Bose, Ashim Sen Gupta, Bartolomeo Fiorini +9
Testing gravity and the concordance model of cosmology, CDM, at large scales is a key goal of this decade's largest galaxy surveys. Here we present a comparative study of dark m…
Non-linear power spectrum and forecasts for Generalized Cubic Covariant Galileon
Luís Atayde, Noemi Frusciante, Benjamin Bose +2
To fully exploit the data from next generation surveys, we need an accurate modelling of the matter power spectrum up to non-linear scales. Therefore in this work we present the ha…
Cosmological study of a symmetric teleparallel gravity model
Tiago B. Gonçalves, Luís Atayde, Noemi Frusciante
We study a symmetric teleparallel gravity with a Lagrangian of logarithmic form. The full model leads to an accelerated universe and for specific values of the free parameters the…
-gravity and neutrino physics
Luís Atayde, Noemi Frusciante
Within the -gravity framework we perform a phenomenological study of the cosmological observables in light of the degeneracy between neutrinos physics and the modified gravit…
Can gravity challenge CDM?
Luís Atayde, Noemi Frusciante
We study observational constraints on the non-metricity -gravity which reproduces an exact CDM background expansion history while modifying the evolution of linear perturb…
Phenomenology of the generalized cubic covariant Galileon model and cosmological bounds
Noemi Frusciante, Simone Peirone, Luis Atayde +1
We investigate the generalized cubic covariant Galileon model, a kinetically driven dark energy model within the Horndeski class of theories. The model extends the cubic covariant…