Solving puzzles of GW150914 by primordial black holes

@article{Blinnikov2016SolvingPO,
  title={Solving puzzles of GW150914 by primordial black holes},
  author={Sergey Blinnikov and Alexander Dolgov and Nataliya K. Porayko and Konstantin A Postnov},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2016},
  volume={2016},
  pages={036 - 036}
}
The black hole binary properties inferred from the LIGO gravitational wave signal GW150914 posed several serious problems. The high masses and low effective spin of black hole binary can be explained if they are primordial (PBH) rather than the products of the stellar binary evolution. Such PBH properties are postulated ad hoc but not derived from fundamental theory. We show that the necessary features of PBHs naturally follow from the slightly modified Affleck-Dine (AD) mechanism of… 

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References

SHOWING 1-10 OF 60 REFERENCES

Rapid merger of binary primordial black holes: An implication for GW150914

We propose a new scenario for the evolution of a binary of primordial black holes (PBHs). We consider a dynamical friction by ambient dark matter, scattering of dark matter particles with a highly

Primordial Black Hole Scenario for the Gravitational-Wave Event GW150914.

TLDR
The abundance of PBHs required to explain the suggested lower bound on the event rate roughly coincides with the existing upper limit set by the nondetection of the cosmic microwave background spectral distortion, which implies that the proposed PBH scenario may be tested in the not-too-distant future.

Primordial black holes

Primordial black holes (PBHs) are a profound signature of primordial cosmological structures and provide a theoretical tool to study nontrivial physics of the early Universe. The mechanisms of PBH

Primordial Black Holes as Dark Matter

Primordial black holes (PBHs) may readily form during the radiation dominated stages of the universe from the gravitational collapse of horizon-size energy density fluctuations of moderate amplitude.

Pulsar timing can constrain primordial black holes in the LIGO mass window

The recent discovery of gravitational waves from merging black holes has generated interest in primordial black holes as a possible component of the dark matter. In this paper, we show that pulsar

DYNAMICAL FORMATION OF THE GW150914 BINARY BLACK HOLE

We explore the possibility that GW150914, the binary black hole (BBH) merger recently detected by Advanced LIGO, was formed by gravitational interactions in the core of a dense star cluster. Using

Constraint on the abundance of primordial black holes in dark matter from Planck data

We use Planck data released in 2015 to constrain the abundance of primordial black holes (PBHs) in dark matter in two different reionization models (one is the instantaneous reionization and the

Metallicity-constrained merger rates of binary black holes and the stochastic gravitational wave background

The recent detection of the binary black hole merger GW150914 demonstrates the existence of black holes more massive than previously observed in X-ray binaries in our Galaxy. This article explores

Microlensing and dynamical constraints on primordial black hole dark matter with an extended mass function

The recent discovery of gravitational waves from mergers of ∼10 M⊙ black hole binaries has stimulated interested in primordial black hole (PBH) dark matter in this mass range. Microlensing and
...