activity
20222026
most citedThe recent gravitational wave observation by pulsar timing arrays and primordial black holes: the importance of non-gaussianities

213 citations · 707 across the 27 of their papers we have counts for

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Showing 2024Show all

8 papers · 1 filter

hep-ex2024

Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop

Adam Abdalla, Mahiro Abe, Sven Abend +307

This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024, build…

astro-ph.CO2024★ 6 cited

How Well Do We Know the Scalar-Induced Gravitational Waves?

A. J. Iovino, S. Matarrese, G. Perna +2

Gravitational waves sourced by amplified scalar perturbations are a common prediction across a wide range of cosmological models. These scalar curvature fluctuations are inherently…

astro-ph.CO2024★ 10 cited

Is the formation of primordial black holes from single-field inflation compatible with standard cosmology?

Sasha Allegrini, Loris Del Grosso, Antonio J. Iovino +1

In this work, we investigate the generation of primordial black holes (PBHs) within the framework of single-field inflationary models and their compatibility with the cosmological…

gr-qc2024

Deciphering the Instability of the Black Hole Ringdown Quasinormal Spectrum

A. Ianniccari, A. J. Iovino, A. Kehagias +4

The spectrum of the quasinormal modes of the gravitational waves emitted during the ringdown phase following the merger of two black holes is of primary importance in gravitational…

astro-ph.CO2024★ 49 cited

Curbing PBHs with PTAs

A. J. Iovino, G. Perna, A. Riotto +1

Sizeable primordial curvature perturbations needed to seed a population of primordial black holes (PBHs) will be accompanied by a scalar-induced gravitational wave signal that can…

astro-ph.CO2024★ 48 cited

Constraints on primordial black holes from LIGO-Virgo-KAGRA O3 events

M. Andrés-Carcasona, A. J. Iovino, V. Vaskonen +4

Primordial black holes (PBH) can efficiently form black hole binaries in the early universe. We update the resulting constraints on PBH abundance using data from the third observat…

astro-ph.CO2024

The Black Hole Formation -- Null Geodesic Correspondence

Andrea Ianniccari, Antonio J. Iovino, Alex Kehagias +2

We provide evidence for a correspondence between the formation of black holes and the stability of circular null geodesics around the collapsing perturbation. We first show that th…

astro-ph.CO2024★ 28 cited

The Primordial Black Hole Abundance: The Broader, the Better

A. Ianniccari, A. J. Iovino, A. Kehagias +2

We show that the abundance of primordial black holes, if formed through the collapse of large fluctuations generated during inflation and unless the power spectrum of the curvature…