Although the dark matter is usually assumed to be made up of some form of elementary
particle, primordial black holes (PBHs) could also provide some of it. However, various …

Gravitational-wave experiments with interferometers and with resonant masses can search
for stochastic backgrounds of gravitational waves of cosmological origin. We review both …

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The possibility that the dark matter comprises primordial black holes (PBHs) is considered,
with particular emphasis on the currently allowed mass windows at 1 0 16–1 0 17 g, 1 0 20 …

The probability of primordial black hole (PBH) formation is known to be boosted during the
Quantum Chromodynamics (QCD) crossover due to a slight reduction of the equation of …

We present a model for the interaction of the GD-1 stellar stream with a massive perturber
that naturally explains many of the observed stream features, including a gap and an off …

A universal mechanism may be responsible for several unresolved cosmic conundra. The
sudden drop in the pressure of relativistic matter at W±∕ Z 0 decoupling, the quark–hadron …

This exhaustive survey is the result of a four year effort by many leading researchers in the
field to produce both a readable introduction and a yardstick for the many upcoming …

In most current models of inflation based on a weakly self-coupled scalar matter field
minimally coupled to gravity, the period of inflation lasts so long that, at the beginning of the …

The kinetic decoupling of weakly interacting massive particles (WIMPs) in the early universe
sets a scale that can directly be translated into a small-scale cutoff in the spectrum of matter …