Results 191 to 200 of about 38,917 (207)

Extreme primordial black holes [PDF]

Astronomische Nachrichten, 2021
AbstractWe present a formalism for calculating the probability distribution of the most massive primordial black holes (PBHs) expected within an observational volume. We show how current observational upper bounds on the fraction of PBHs in dark matter translate to constraints on extreme masses of primordial black holes. We demonstrate the power of our
Chongchitnan, Siri, Chantavat, Teeraparb, Zunder, Jenna   +2 more
exaly   +3 more sources

Large fluctuations and primordial black holes

Physics Reports
In this paper, we review in detail different mechanisms of generation of large primordial fluctuations and their implications for the production of primordial black holes (PBHs) and scalar-induced secondary gravity waves (SIGW), with the ultimate aim of understanding the impact of loop correction on quantum correlations and the power spectrum.
Sayantan Choudhury, M Sami
exaly   +3 more sources

Dark spiky primordial black holes

Physical Review D
11 pages, 1 figure; matches published ...
Aurora Ireland
exaly   +3 more sources

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Primordial Black Holes

2013
Primordial black holes are the most plausible realization of quantum black holes. Although there is no definite evidence for their existence, they could provide a unique probe of the early Universe, high-energy physics, extra dimensions and even quantum gravity.
Xavier Calmet, Bernard Carr, Elizabeth Winstanley   +2 more
openaire   +1 more source

A Brief Review on Primordial Black Holes as Dark Matter

Frontiers in Astronomy and Space Sciences, 2021
Pablo Villanueva-Domingo, Olga Mena, Sérgio Palomares-Ruiz   +2 more
exaly  

NANOGrav Data Hints at Primordial Black Holes as Dark Matter

Physical Review Letters, 2021
Valerio De Luca, Gabriele Franciolini
exaly  

The Statistics of Primordial Black Holes in a Radiation-Dominated Universe: Recent and New Results

Universe, 2023
Cristiano Germani, Ravi K Sheth
exaly  

Cosmic conundra explained by thermal history and primordial black holes

Physics of the Dark Universe, 2021
Bernard Carr, Sébastien Clesse, Juan García-Bellido   +2 more
exaly  

Constant-roll and primordial black holes in f ( Q , T ) gravity

Physics of the Dark Universe, 2023
K El Bourakadi, M Koussour, Taoufik Ouali   +2 more
exaly  

The Merger Rate of Black Holes in a Primordial Black Hole Cluster

Physics, 2021
Viktor D Stasenko, A A Kirillov
exaly