93 citations · 130 across the 11 of their papers we have counts for
11 papers
An efficient one-loop EFTofLSS framework for Vainshtein-screened Horndeski gravity
Stan Verhoeve, Dani de Boe, Gen Ye +1
We present an extension of \texttt{PyBird} for one-loop large-scale structure analyses of modified gravity models. We implement support for quasi-static, Vainshtein-screened lumina…
Ray-traced weak lensing convergence in screened modified gravity theories
Mattia Pantiri, Matthieu Schaller, Alessandra Silvestri +2
Weak gravitational lensing is one of the primary cosmological probes, providing powerful constraints on the cosmological model. As Stage IV surveys are expected to deliver data of…
-EFTCAMB: A Cobaya-Integrated, Python-Wrapped Extension of EFTCAMB for Covariant Horndeski Gravity
Gen Ye, Shijie Lin, Jiaming Pan +6
We present , the official successor to . The original is designed as a consistent and numerically stable implemen…
Nonlinear Scales in Luminal Horndeski -- I. Halo mass function and power spectrum boost in models with Vainshtein screening
Dani de Boe, Mattia Pantiri, Gen Ye +1
We investigate nonlinear structure formation in Horndeski gravity with luminal gravitational wave speed (), assuming Vainshtein screening within the spherical collapse mod…
A General Model for Dark Energy Crossing the Phantom Divide
Zhibang Yao, Gen Ye, Alessandra Silvestri
Within the framework of spatially covariant theories, we propose a general model for dark energy (DE) in which the cosmological background and perturbations are independently contr…
Consistent Initial Conditions for Early Modified Gravity in Effective Field Theory
Jiaming Pan, Meng-Xiang Lin, Gen Ye +2
Precise initial conditions (ICs) are crucial for accurate computation in cosmological perturbation theory. We derive the consistent ICs for Horndeski theory in the Effective Field…
A model-independent reconstruction of the matter power spectrum
Gen Ye, Jun-Qian Jiang, Alessandra Silvestri
We propose a new model-independent reconstruction method for the matter power spectrum based on its time dependence and a combination of observations from different redshifts. The…
Cubic Galileon Gravity in the CMB
Gen Ye, Alessandra Silvestri
Among the models addressing the Hubble tension, those introducing a dynamical dark component around recombination have been the most promising thus far. Their study has highlighted…
Hints of Nonminimally Coupled Gravity in DESI 2024 Baryon Acoustic Oscillation Measurements
Gen Ye, Matteo Martinelli, Bin Hu +1
The cosmic microwave background (CMB) and baryon acoustic oscillations (BAO) are two of the most robust observations in cosmology. The recent BAO measurements from the DESI collabo…
Phenomenology of Horndeski Gravity under Positivity Bounds
Dani de Boe, Gen Ye, Fabrizio Renzi +3
A set of conditions that any effective field theory needs to satisfy in order to allow for the existence of a viable UV completion has recently gained attention in the cosmological…
50 Years of Horndeski Gravity: Past, Present and Future
Gregory Horndeski, Alessandra Silvestri
An essay on Horndeski gravity, how it was formulated in the early 1970s and how it was 're-discovered' and widely adopted by Cosmologists more than thirty years later.