Primordial Black Holes as Dark Matter
TLDR
The possibility that the dark matter comprises primordial black holes (PBHs) is considered in this paper, with particular emphasis on the currently allowed mass windows at 10(16)-10(17) g, 10(20)-10 (24) g and 1-...Abstract:
The possibility that the dark matter comprises primordial black holes (PBHs) is considered, with particular emphasis on the currently allowed mass windows at 10(16)-10(17) g, 10(20)-10(24) g and 1- ...read more
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I and i
TL;DR: There is, I think, something ethereal about i —the square root of minus one, which seems an odd beast at that time—an intruder hovering on the edge of reality.
Journal ArticleDOI
Primordial Black Holes - Perspectives in Gravitational Wave Astronomy -
Misao Sasaki,Teruaki Suyama,Takahiro Tanaka,Takahiro Tanaka,Shuichiro Yokoyama,Shuichiro Yokoyama +5 more
TL;DR: In this paper, a review of the current understanding of primordial black holes (PBHs), with particular focus on those massive examples ( ) which remain at the present epoch, not having evaporated through Hawking radiation, is presented.
Journal ArticleDOI
Cosmological Backgrounds of Gravitational Waves
TL;DR: In this article, the authors review early universe sources that can lead to cosmological backgrounds of GWs and discuss the basic characteristics of present and future GW detectors, including advanced LIGO, advanced Virgo, the Einstein telescope, KAGRA, and LISA.
Journal ArticleDOI
Primordial Black Holes as Dark Matter: Recent Developments
Bernard Carr,Florian Kuhnel +1 more
TL;DR: 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 as mentioned in this paper.
References
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Journal ArticleDOI
I and i
TL;DR: There is, I think, something ethereal about i —the square root of minus one, which seems an odd beast at that time—an intruder hovering on the edge of reality.
Journal Article
Fluctuations at the Threshold of Classical Cosmology
TL;DR: It is proposed that the initial conditions of galaxy formation are metric fluctuations at the threshold epoch of classical cosmology, and the evidence in favor of this theory is (i) the density fluctuation obeys the n=23 rule, and (ii) the spin fluctuation gives an eventual angular momentum of the order N43ℏ, in reasonable agrement with that of the Galaxy.
Posted Content
Quantum Black Holes
TL;DR: Bellido et al. as mentioned in this paper showed that the universe could have started in a ground state of density 3/(8 ln 2) M Pl, and that the degeneracy of the levels and their width of the spectrum of the quantum black hole can be quantized using standard thermodynamic arguments.
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