Implications for the non-Gaussianity of curvature perturbation from pulsar timing arrays
The recently released data by pulsar timing array (PTA) collaborations present strong
evidence for a stochastic signal consistent with a gravitational-wave background. Assuming …
evidence for a stochastic signal consistent with a gravitational-wave background. Assuming …
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) …
(PBHs) in the gravitational-wave (GW) events so far detected by LIGO/Virgo/KAGRA (LVK) …
Scalar induced gravitational waves in light of Pulsar Timing Array data
The power-law parametrization for the energy density spectrum of gravitational wave (GW)
background is a useful tool to study its physics and origin. While scalar induced secondary …
background is a useful tool to study its physics and origin. While scalar induced secondary …
Two populations of LIGO-Virgo black holes
We analyse the LIGO-Virgo data, including the recently released GWTC-2dataset, to test a
hypothesis that the data contains more than one population of black holes. We perform a …
hypothesis that the data contains more than one population of black holes. We perform a …
Confronting sound speed resonance with pulsar timing arrays
The stochastic signal detected by pulsar timing arrays (PTAs) has raised great interest in
understanding its physical origin. Assuming the signal is a cosmological gravitational-wave …
understanding its physical origin. Assuming the signal is a cosmological gravitational-wave …
Probing the equation of state of the early Universe with pulsar timing arrays
The recently released data by pulsar timing array (PTA) collaborations have amassed
substantial evidence corroborating the existence of a stochastic signal consistent with a …
substantial evidence corroborating the existence of a stochastic signal consistent with a …
Constraints on primordial curvature power spectrum with pulsar timing arrays
ZQ You, Z Yi, Y Wu - Journal of Cosmology and Astroparticle …, 2023 - iopscience.iop.org
The stochastic signal detected by NANOGrav, PPTA, EPTA, and CPTA can be explained by
the scalar-induced gravitational waves. In order to determine the scalar-induced …
the scalar-induced gravitational waves. In order to determine the scalar-induced …
Cosmological interpretation for the stochastic signal in pulsar timing arrays
YM Wu, ZC Chen, QG Huang - Science China Physics, Mechanics & …, 2024 - Springer
The pulsar timing array (PTA) collaborations have recently reported compelling evidence for
a stochastic signal consistent with a gravitational-wave background. In this paper, we …
a stochastic signal consistent with a gravitational-wave background. In this paper, we …
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 …
Universe. This paper critically assesses whether planned and future gravitational wave …
Prospective constraints on the primordial black hole abundance from the stochastic gravitational-wave backgrounds produced by coalescing events and curvature …
For a variety of ongoing and planned gravitational-wave (GW) experiments, we study
expected constraints on the fraction (f PBH) of primordial black holes (PBHs) in dark matter …
expected constraints on the fraction (f PBH) of primordial black holes (PBHs) in dark matter …