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Neutrino Mass Priors for Cosmology from Random Matrices
Andrew J. Long, Marco Raveri, Wayne Hu +1
Cosmological measurements of structure are placing increasingly strong constraints on the sum of the neutrino masses, , through Bayesian inference. Because these constraints…
Do current cosmological observations rule out all Covariant Galileons?
Simone Peirone, Noemi Frusciante, Bin Hu +2
We revisit the cosmology of Covariant Galileon gravity in view of the most recent cosmological data sets, including weak lensing. As a higher derivative theory, Covariant Galileon…
Partially Acoustic Dark Matter Cosmology and Cosmological Constraints
Marco Raveri, Wayne Hu, Timothy Hoffman +1
Observations of the cosmic microwave background (CMB) together with weak lensing measurements of the clustering of large scale cosmological structures and local measurements of the…
A comparison of Einstein-Boltzmann solvers for testing General Relativity
E. Bellini, A. Barreira, N. Frusciante +24
We compare Einstein-Boltzmann solvers that include modifications to General Relativity and find that, for a wide range of models and parameters, they agree to a high level of preci…
Priors on the effective Dark Energy equation of state in scalar-tensor theories
Marco Raveri, Philip Bull, Alessandra Silvestri +1
Constraining the Dark Energy (DE) equation of state, w, is one of the primary science goals of ongoing and future cosmological surveys. In practice, with imperfect data and incompl…
Impact of theoretical priors in cosmological analyses: the case of single field quintessence
Simone Peirone, Matteo Martinelli, Marco Raveri +1
We investigate the impact of general conditions of theoretical stability and cosmological viability on dynamical dark energy models. As a powerful example, we study whether minimal…
Dynamical dark energy in light of the latest observations
Gong-Bo Zhao, Marco Raveri, Levon Pogosian +23
A flat Friedman-Roberson-Walker universe dominated by a cosmological constant () and cold dark matter (CDM) has been the working model preferred by cosmologists since the discov…