Primordial black holes—perspectives in gravitational wave astronomy
This article reviews current understanding of primordial black holes (PBHs), with particular
focus on those massive examples ($\gtrsim $$10^{15}~{\rm g} $) which remain at the …
focus on those massive examples ($\gtrsim $$10^{15}~{\rm g} $) which remain at the …
Beyond ΛCDM: Problems, solutions, and the road ahead
Despite its continued observational successes, there is a persistent (and growing) interest in
extending cosmology beyond the standard model, Λ CDM. This is motivated by a range of …
extending cosmology beyond the standard model, Λ CDM. This is motivated by a range of …
Primordial black holes
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Planck 2015 results-xiii. cosmological parameters
PAR Ade, N Aghanim, M Arnaud, M Ashdown… - Astronomy & …, 2016 - aanda.org
This paper presents cosmological results based on full-mission Planck observations of
temperature and polarization anisotropies of the cosmic microwave background (CMB) …
temperature and polarization anisotropies of the cosmic microwave background (CMB) …
Semianalytic calculation of gravitational wave spectrum nonlinearly induced from primordial curvature perturbations
K Kohri, T Terada - Physical Review D, 2018 - APS
Whether or not the primordial gravitational wave (GW) produced during inflation is
sufficiently strong to be observable, GWs are necessarily produced from the primordial …
sufficiently strong to be observable, GWs are necessarily produced from the primordial …
Steepest growth of the power spectrum and primordial black holes
We derive analytic bounds on the shape of the primordial power spectrum in the context of
single-field inflation. In particular, the steepest possible growth has a spectral index of ns …
single-field inflation. In particular, the steepest possible growth has a spectral index of ns …
The first three seconds: a review of possible expansion histories of the early universe
It is commonly assumed that the energy density of the Universe was dominated by radiation
between reheating after inflation and the onset of matter domination 54,000 years later …
between reheating after inflation and the onset of matter domination 54,000 years later …
Cosmic microwave background bounds on primordial black holes including dark matter halo accretion
Even if massive (10 M⊙≲ M≲ 10 4 M⊙) primordial black holes (PBHs) can only account for
a small fraction of the dark matter (DM) in the universe, they may still be responsible for a …
a small fraction of the dark matter (DM) in the universe, they may still be responsible for 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 …
Ultralow mass primordial black holes in the early Universe can explain the pulsar timing array signal
Pulsar timing array collaborations have recently announced the discovery of a stochastic
gravitational wave (GW) background at nanohertz frequencies. We analyze the GW signals …
gravitational wave (GW) background at nanohertz frequencies. We analyze the GW signals …