Beyond isolated curvature peaks: collective collapse and multiple Primordial Black Hole formation

arXiv:2609.03051 · astro-ph.CO, gr-qc, hep-ph · Submitted 2026-09-02 · Read on arXiv

astro-ph.CO, gr-qc, hep-ph

Submitted: 2026-09-02

Updated: 2026-09-02

Comments: 23 pages, 10 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Clustering — 16× in this paper · explained in 2 episodes
• Apparent Horizon — 12× in this paper · explained in 1 episode
• Abundance — 6× in this paper · explained in 1 episode
• Initial Data — 5× in this paper · explained in 2 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Conservation Laws — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 7 episodes

Sources

• Primordial Black Holes - Perspectives in Gravitational Wave Astronomy -
• Constraints on Primordial Black Holes
• Primordial Black Holes as a dark matter candidate
• Primordial Black Holes
• STOLAS: STOchastic LAttice Simulation of cosmic inflation
• Ultra-Slow-Roll Inflation on the Lattice I: Backreaction and Nonlinear Effects
• Ultra-Slow-Roll Inflation on the Lattice II: Nonperturbative Curvature Perturbation
• Primordial black hole compaction function from stochastic fluctuations in ultra-slow-roll inflation
• Clustering of primordial black holes from quantum diffusion during inflation
• Effect of stochastic kicks on primordial black hole abundance and mass via the compaction function
• Gauge preheating with full general relativity
• Primordial black holes as biased tracers
• Correlation function of high-threshold regions and application to the initial small-scale clustering of primordial black holes
• The Spatial Clustering of Primordial Black Holes
• Clustering of primordial black holes with non-Gaussian initial fluctuations
• STOchastic LAttice Simulation of hybrid inflation
• Compaction function in stochastic inflation: a FOREST of type I and II primordial black holes
• Small-scale clustering of Primordial Black Holes: cloud-in-cloud and exclusion effects
• Aspects of Spatially-Correlated Random Fields: Extreme-Value Statistics and Clustering Properties
• The clustering of massive Primordial Black Holes as Dark Matter: measuring their mass distribution with Advanced LIGO

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