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The basics of primordial black hole formation and abundance estimation

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arxiv 2211.13512 v3 pith:EAKJ6MYY submitted 2022-11-24 astro-ph.CO

The basics of primordial black hole formation and abundance estimation

classification astro-ph.CO
keywords formationabundanceblackestimationholemassprimordialreview
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This paper is a biased review of primordial black hole (PBH) formation and abundance estimation. We first review the three-zone model for PBH formation to help an intuitive understanding of the PBH formation process. Then, for more accurate analyses, we introduce necessary tools such as cosmological long-wavelength solutions, the definition of the mass and compaction function in a spherically symmetric spacetime and peak theory. Combining all these tools, we calculate the PBH mass spectrum for the case of the monochromatic curvature power spectrum as a demonstration.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Carr criterion and mass gaps in non-singular primordial black hole formation

    gr-qc 2026-05 unverdicted novelty 7.0

    Non-singular gravity with regulator ℓ induces a PBH mass gap ~c²ℓ/G and a stronger Carr criterion δ_H > 2GM_gap/R_H - 1 when R_H ~ ℓ.

  2. Primordial Neutron Stars

    astro-ph.CO 2026-04 unverdicted novelty 6.0

    Large initial baryon asymmetry allows Hubble patches to collapse into primordial neutron stars arrested by nuclear pressure, requiring later entropy dilution to match observed Y_B and BBN.

  3. Primordial black holes in excursion set theory: Formation probabilities, mass functions, and window functions

    astro-ph.CO 2026-05 unverdicted novelty 5.0

    In excursion set theory with colored noises, the low-mass tail of the PBH mass function differs from Carr's formula because correlated noises end the degeneracy of formation probabilities, though Carr's formula remain...

  4. Evaporation of Primordial Black Holes in a Thermal Universe: A Thermofield Dynamics Approach

    hep-th 2025-12 unverdicted novelty 5.0

    Thermal bath corrections derived via thermofield dynamics enhance the evaporation rate of primordial black holes, shortening their lifetimes relative to zero-temperature calculations.

  5. Primordial black hole formation in bulk-viscous cosmology

    gr-qc 2026-06 unverdicted novelty 4.0

    Bulk viscosity raises the critical collapse threshold for primordial black holes by an amount comparable to the viscosity strength and increases the resulting black hole masses.