Effective field theory of cosmic acceleration: an implementation in CAMB

B Hu, M Raveri, N Frusciante, A Silvestri - Physical Review D, 2014 - APS
We implement the effective field theory (EFT) approach to dark energy and modified gravity
in the public Einstein-Boltzmann solver camb. The resulting code, which we dub eftcamb, is …

Effective Field Theory of Cosmic Acceleration: constraining dark energy with CMB data

M Raveri, B Hu, N Frusciante, A Silvestri - Physical Review D, 2014 - APS
We introduce eftcamb/EFTCosmoMC as publicly available patches to the commonly used
camb/CosmoMC codes. We briefly describe the structure of the codes, their applicability and …

Dark energy or modified gravity? An effective field theory approach

J Bloomfield, ÉÉ Flanagan, M Park… - Journal of Cosmology …, 2013 - iopscience.iop.org
Abstract We take an Effective Field Theory (EFT) approach to unifying existing proposals for
the origin of cosmic acceleration and its connection to cosmological observations. Building …

Exploring massive neutrinos in dark cosmologies with eftcamb/EFTCosmoMC

B Hu, M Raveri, A Silvestri, N Frusciante - Physical Review D, 2015 - APS
We revisit the degeneracy between massive neutrinos and generalized theories of gravity in
the framework of the effective field theory of cosmic acceleration. In particular, we consider f …

Effective field theory of dark energy: A review

N Frusciante, L Perenon - Physics Reports, 2020 - Elsevier
The discovery of cosmic acceleration has triggered a consistent body of theoretical work
aimed at modeling its phenomenology and understanding its fundamental physical nature …

An Extended action for the effective field theory of dark energy: a stability analysis and a complete guide to the mapping at the basis of EFTCAMB

N Frusciante, G Papadomanolakis… - Journal of Cosmology …, 2016 - iopscience.iop.org
We present a generalization of the effective field theory (EFT) formalism for dark energy and
modified gravity models to include operators with higher order spatial derivatives. This …

Phenomenology of dark energy: exploring the space of theories with future redshift surveys

F Piazza, H Steigerwald… - Journal of Cosmology and …, 2014 - iopscience.iop.org
We use the effective field theory of dark energy to explore the space of modified gravity
models which are capable of driving the present cosmic acceleration. We identify five …

Constraints on modified gravity from Planck 2015: when the health of your theory makes the difference

V Salvatelli, F Piazza, C Marinoni - Journal of Cosmology and …, 2016 - iopscience.iop.org
We use the effective field theory of dark energy (EFT of DE) formalism to constrain dark
energy models belonging to the Horndeski class with the recent Planck 2015 CMB data. The …

Phenomenology of dark energy: general features of large-scale perturbations

L Perenon, F Piazza, C Marinoni… - Journal of Cosmology and …, 2015 - iopscience.iop.org
We present a systematic exploration of dark energy and modified gravity models containing
a single scalar field non-minimally coupled to the metric. Even though the parameter space …

On the reach of perturbative descriptions for dark matter displacement fields

T Baldauf, E Schaan… - Journal of Cosmology and …, 2016 - iopscience.iop.org
Abstract We study Lagrangian Perturbation Theory (LPT) and its regularization in the
Effective Field Theory (EFT) approach. We evaluate the LPT displacement with the same …