540 citations · 5.4k across the 61 of their papers we have counts for
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Can the gravitational wave background feel wiggles in spacetime?
Gen Ye, Alessandra Silvestri
Recently the international pulsar timing array collaboration has announced the first strong evidence for an isotropic gravitational wave background (GWB). We propose that rapid sma…
Euclid: Constraining linearly scale-independent modifications of gravity with the spectroscopic and photometric primary probes
N. Frusciante, F. Pace, V. F. Cardone +127
The future Euclid space satellite mission will offer an invaluable opportunity to constrain modifications to Einstein's general relativity at cosmic scales. We focus on modified gr…
New MGCAMB tests of gravity with CosmoMC and Cobaya
Zhuangfei Wang, Seyed Hamidreza Mirpoorian, Levon Pogosian +2
We present a new version of MGCAMB, a patch for the Einstein-Boltzmann solver CAMB for cosmological tests of gravity. New features include a new cubic-spline parameterization allow…
Prospects of testing late-time cosmology with weak lensing of gravitational waves and galaxy surveys
Anna Balaudo, Alice Garoffolo, Matteo Martinelli +2
We investigate the synergy of upcoming galaxy surveys and gravitational wave (GW) experiments in constraining late-time cosmology, examining the cross-correlations between the weak…
Testing gravity with gravitational waves electromagnetic probes cross-correlations
Giulio Scelfo, Maria Berti, Alessandra Silvestri +1
In a General Relativistic framework, Gravitational Waves (GW) and Electromagnetic (EM) waves are expected to respond in the same way to the effects of matter perturbations between…
Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
Elcio Abdalla, Guillermo Franco Abellán, Amin Aboubrahim +200
In this paper we will list a few important goals that need to be addressed in the next decade, also taking into account the current discordances between the different cosmological…
Constraining beyond CDM models with 21cm intensity mapping forecast observations combined with latest CMB data
Maria Berti, Marta Spinelli, Balakrishna S. Haridasu +2
We explore constraints on dark energy and modified gravity with forecast 21cm intensity mapping measurements using the Effective Field Theory approach. We construct a realistic moc…
Imprints of cosmological tensions in reconstructed gravity
Levon Pogosian, Marco Raveri, Kazuya Koyama +6
There has been a significant interest in modifications of the standard Cold Dark Matter (CDM) cosmological model prompted by tensions between certain datasets, most notably…
Principal reconstructed modes of dark energy and gravity
Marco Raveri, Levon Pogosian, Matteo Martinelli +3
Recently, in [1], we presented the first combined non-parametric reconstruction of the three time-dependent functions that capture departures from the standard cosmological model,…
A look at the Hubble speed from first principles
Fabrizio Renzi, Alessandra Silvestri
We introduce a novel way of measuring from a combination of independent geometrical datasets, with no need of calibration nor of the choice of a cosmological model. We build…
First measurement of the Hubble parameter from bright binary black hole GW190521
Suvodip Mukherjee, Archisman Ghosh, Matthew J. Graham +6
The Zwicky Transient Facility (ZTF) reported the event "ZTF19abanrhr" as a candidate electromagnetic (EM) counterpart at a redshift to the gravitational wave (GW) emissio…
Cosmology Intertwined IV: The Age of the Universe and its Curvature
Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +88
A precise measurement of the curvature of the Universe is of primeval importance for cosmology since it could not only confirm the paradigm of primordial inflation but also help in…
Cosmology Intertwined III: and
Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +89
The standard Cold Dark Matter cosmological model provides a wonderful fit to current cosmological data, but a few tensions and anomalies became statistically significant with t…
Cosmology Intertwined II: The Hubble Constant Tension
Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +90
The current cosmological probes have provided a fantastic confirmation of the standard Cold Dark Matter cosmological model, that has been constrained with unprecedented accurac…
Cosmology Intertwined I: Perspectives for the Next Decade
Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +89
The standard Cold Dark Matter cosmological model provides an amazing description of a wide range of astrophysical and astronomical data. However, there are a few big open quest…
Detecting Dark Energy Fluctuations with Gravitational Waves
Alice Garoffolo, Marco Raveri, Alessandra Silvestri +4
Luminosity distance estimates from electromagnetic and gravitational wave sources are generally different in models of dynamical dark energy and gravity beyond the standard cosmolo…
Accurate precision Cosmology with redshift unknown gravitational wave sources
Suvodip Mukherjee, Benjamin D. Wandelt, Samaya M. Nissanke +1
Gravitational waves can provide an accurate measurement of the luminosity distance to the source, but cannot provide the source redshift unless the degeneracy between mass and reds…
Strong Lensing Time Delay Constraints on Dark Energy: a Forecast
Banafshe Shiralilou, Matteo Martinelli, Georgios Papadomanolakis +3
Measurements of time delays between multiple quasar images produced by strong lensing are reaching a sensitivity that makes them a promising cosmological probe. Future surveys will…
Generalized Brans-Dicke theories in light of evolving dark energy
Alex Zucca, Levon Pogosian, Alessandra Silvestri +2
The expansion history of the Universe reconstructed from a combination of recent data indicates a preference for a changing Dark Energy (DE) density. Moreover, the DE density appea…
Reconstruction of the Dark Energy equation of state from latest data: the impact of theoretical priors
Francesca Gerardi, Matteo Martinelli, Alessandra Silvestri
We reconstruct the Equation of State of Dark Energy (EoS) from current data using a non-parametric approach where, rather than assuming a specific time evolution of this function,…
MGCAMB with massive neutrinos and dynamical dark energy
Alex Zucca, Levon Pogosian, Alessandra Silvestri +1
We present a major upgrade of MGCAMB, a patch for the Einstein-Boltzmann solver CAMB used for phenomenological tests of general relativity against cosmological datasets. This new v…
The splashback radius in symmetron gravity
Omar Contigiani, Valeri Vardanyan, Alessandra Silvestri
The splashback radius has been identified in cosmological -body simulations as an important scale associated with gravitational collapse and the phase-space dist…
Phenomenology of Large Scale Structure in scalar-tensor theories: joint prior covariance of , and in Horndeski
Juan Espejo, Simone Peirone, Marco Raveri +3
Ongoing and upcoming cosmological surveys will significantly improve our ability to probe the equation of state of dark energy, , and the phenomenology of Large Scale S…
Large-scale structure phenomenology of viable Horndeski theories
Simone Peirone, Kazuya Koyama, Levon Pogosian +2
Phenomenological functions and , also known as and , are commonly used to parameterize modifications of the growth of large-scale structu…