Cosmological constraints on primordial black holes produced in the near-critical gravitational collapse

Details Cosmological constraints on primordial black holes produced in the near-critical gravitational collapse Cosmological constraints on primordial black holes produced in the near-critical gravitational collapse

1998-04-18

arxiv.org/abs/gr-qc/9804041v2

Phys.Rev.D58:107502,1998

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages. Typos corrected. To appear in Physical Review D

Scientific paper

10.1103/PhysRevD.58.107502

The mass function of primordial black holes created through the near-critical gravitational collapse is calculated in a manner fairly independent of the statistical distribution of underlying density fluctuation, assuming that it has a sharp peak on a specific scale. Comparing it with various cosmological constraints on their mass spectrum, some newly excluded range is found in the volume fraction of the region collapsing into black holes as a function of the horizon mass.

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