Science with the Einstein Telescope: a comparison of different designs

M Branchesi, M Maggiore, D Alonso… - … of Cosmology and …, 2023 - iopscience.iop.org
Abstract The Einstein Telescope (ET), the European project for a third-generation
gravitational-wave detector, has a reference configuration based on a triangular shape …

Primordial non-Gaussianity up to all orders: Theoretical aspects and implications for primordial black hole models

G Ferrante, G Franciolini, AJ Iovino, A Urbano - Physical Review D, 2023 - APS
We develop an exact formalism for the computation of the abundance of primordial black
holes (PBHs) in the presence of local non-Gaussianity (NG) in the curvature perturbation …

From inflation to black hole mergers and back again: Gravitational-wave data-driven constraints on inflationary scenarios with a first-principle model of primordial black …

G Franciolini, I Musco, P Pani, A Urbano - Physical Review D, 2022 - APS
Recent population studies have searched for a subpopulation of primordial black holes
(PBHs) in the gravitational-wave (GW) events so far detected by LIGO/Virgo/KAGRA (LVK) …

How well do we know the primordial black hole abundance: The crucial role of nonlinearities when approaching the horizon

V De Luca, A Kehagias, A Riotto - Physical Review D, 2023 - APS
We discuss the nonlinear corrections entering in the calculation of the primordial black hole
abundance from the nonlinear radiation transfer function and the determination of the true …

Stochastic gravitational wave background from stellar origin binary black holes in LISA

S Babak, C Caprini, DG Figueroa… - … of Cosmology and …, 2023 - iopscience.iop.org
We use the latest constraints on the population of stellar origin binary black holes (SOBBH)
from LIGO/Virgo/KAGRA (LVK) observations, to estimate the stochastic gravitational wave …

Probing anisotropies of the stochastic gravitational wave background with LISA

N Bartolo, D Bertacca, R Caldwell… - … of Cosmology and …, 2022 - iopscience.iop.org
We investigate the sensitivity of the Laser Interferometer Space Antenna (LISA) to the
anisotropies of the Stochastic Gravitational Wave Background (SGWB). We first discuss the …

Hunt for light primordial black hole dark matter with ultrahigh-frequency gravitational waves

G Franciolini, A Maharana, F Muia - Physical Review D, 2022 - APS
Light primordial black holes may comprise a dominant fraction of the dark matter in our
Universe. This paper critically assesses whether planned and future gravitational wave …

Reconstruction of power spectrum of primordial curvature perturbations on small scales from primordial black hole binaries scenario of LIGO/VIRGO detection

X Wang, Y Zhang, R Kimura, M Yamaguchi - Science China Physics …, 2023 - Springer
As a candidate bound for the Binary Black Hole (BBH) merger events detected by
LIGO/Virgo, Primordial Black Holes (PBHs) provide a useful tool to investigate the primordial …

Constraining high-redshift stellar-mass primordial black holes with next-generation ground-based gravitational-wave detectors

KKY Ng, G Franciolini, E Berti, P Pani… - The Astrophysical …, 2022 - iopscience.iop.org
The possible existence of primordial black holes in the stellar-mass window has received
considerable attention because their mergers may contribute to current and future …

CLASS_GWB: robust modeling of the astrophysical gravitational wave background anisotropies

N Bellomo, D Bertacca, AC Jenkins… - … of Cosmology and …, 2022 - iopscience.iop.org
Gravitational radiation offers a unique possibility to study the large-scale structure of the
Universe, gravitational wave sources and propagation in a completely novel way. Given that …