26 citations · 127 across the 12 of their papers we have counts for
12 papers
Large scale structure prior knowledge in the dark siren method
Charles Dalang, Bartolomeo Fiorini, Tessa Baker
Gravitational wave dark sirens are a powerful tool for cosmology and inference of compact object population hyperparameters. They allow for a measurement of the luminosity distance…
K-mouflage at high : extending the reach of
Ashim Sen Gupta, Bartolomeo Fiorini, Tessa Baker
The code is an efficient dark matter simulation suite that flexibly handles the Horndeski family of modified gravity models. In this work we extend the scope of…
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…
The Stability of the BAO Linear Point under Modified Gravity
Jaemyoung Jason Lee, Bartolomeo Fiorini, Farnik Nikakhtar +1
Baryon Acoustic Oscillations (BAOs) are crucial in cosmological analysis, providing a standard ruler, as well as constraints on dark energy. In General Relativity models, the BAO L…
Fast production of cosmological emulators in modified gravity: the matter power spectrum
Bartolomeo Fiorini, Kazuya Koyama, Tessa Baker
We test the convergence of fast simulations based on the COmoving Lagrangian Acceleration (COLA) method for predictions of the matter power spectrum, specialising our analysis in t…
Euclid preparation. Modelling spectroscopic clustering on mildly nonlinear scales in beyond-CDM models
Euclid Collaboration, B. Bose, P. Carrilho +229
We investigate the approximations needed to efficiently predict the large-scale clustering of matter and dark matter halos in beyond-CDM scenarios. We examine the normal branch…
Testing Gravity on Cosmological Scales: Theoretical Predictions with the COLA Method
Bartolomeo Fiorini
One of the main objectives of stage IV galaxy surveys is to constrain gravity on cosmological scales. To this end, it is crucial to make accurate theoretical predictions in the non…
: Fast, approximate simulations of structure formation in Horndeski gravity
Bill S. Wright, Ashim Sen Gupta, Tessa Baker +2
We introduce , a code designed to run fast, approximate -body simulations of non-linear structure formation in reduced Horndeski gravity. Given an inp…
Studying large-scale structure probes of modified gravity with COLA
Bartolomeo Fiorini, Kazuya Koyama, Albert Izard
We study the effect of two Modified Gravity (MG) theories, and nDGP, on three probes of large-scale structure, the real space power spectrum estimator , bispectrum and…
Enabling matter power spectrum emulation in beyond-CDM cosmologies with COLA
Guilherme Brando, Bartolomeo Fiorini, Kazuya Koyama +1
We compare and validate COLA (COmoving Lagrangian Acceleration) simulations against existing emulators in the literature, namely Bacco and Euclid Emulator 2. Our analysis focuses o…
Fast generation of mock galaxy catalogues in modified gravity models with COLA
Bartolomeo Fiorini, Kazuya Koyama, Albert Izard +3
We investigate the viability of producing galaxy mock catalogues with COmoving Lagrangian Acceleration (COLA) simulations in Modified Gravity (MG) models employing the Halo Occupat…
Cosmic variance of in light of forthcoming high-redshift surveys
Giuseppe Fanizza, Bartolomeo Fiorini, Giovanni Marozzi
Forthcoming surveys will extend the understanding of cosmological large scale structures up to unprecedented redshift. According to this perspective, we present a fully relativisti…