PBH formation from spherically symmetric hydrodynamical perturbations: A review

A Escriva - Universe, 2022‏ - mdpi.com
Primordial black holes, which could have been formed in the very early Universe due to the
collapse of large curvature fluctuations, are currently one of the most attractive and …

A topic review on probing primordial black hole dark matter with scalar induced gravitational waves

C Yuan, QG Huang - Iscience, 2021‏ - cell.com
Primordial black holes (PBHs) might form from the collapse of over-densed regions
generated by large scalar curvature perturbations in the radiation dominated era. Despite …

Primordial black holes

A Escrivà, F Kühnel, Y Tada - Black Holes in the Era of Gravitational-Wave …, 2024‏ - Elsevier
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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) …

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 …

Detected stochastic gravitational waves and subsolar-mass primordial black holes

K Inomata, K Kohri, T Terada - Physical Review D, 2024‏ - APS
Multiple pulsar timing array (PTA) collaborations recently announced the evidence of
common-spectral processes caused by gravitational waves (GWs). These can be the …

[HTML][HTML] Solar-mass primordial black holes explain NANOGrav hint of gravitational waves

K Kohri, T Terada - Physics Letters B, 2021‏ - Elsevier
The NANOGrav collaboration for the pulsar timing array (PTA) observation recently
announced evidence of an isotropic stochastic process, which may be the first detection of …

Induced gravitational waves with kination era for recent pulsar timing array signals

K Harigaya, K Inomata, T Terada - Physical Review D, 2023‏ - APS
The evidence of the stochastic gravitational-wave background around the nanohertz
frequency range was recently found by worldwide pulsar timing array (PTA) collaborations …

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 …

The power spectrum on small scales: Robust constraints and comparing PBH methodologies

AD Gow, CT Byrnes, PS Cole… - Journal of Cosmology and …, 2021‏ - iopscience.iop.org
We compare primordial black hole (PBH) constraints on the power spectrum and mass
distributions using the traditional Press Schechter formalism, peaks theory, and a recently …