Primordial Black Hole Abundances and Scalar Induced Gravitational Waves from Finite-Width Power Spectra in a Stiff Thermal History

arXiv:2609.07043 · astro-ph.CO · Submitted 2026-09-07 · Read on arXiv

astro-ph.CO

Submitted: 2026-09-07

Updated: 2026-09-22

Comments: 20 pages, 11 figures, 2 tables

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

Terminology

• Abundance — 26× in this paper · explained in 1 episode
• Apparent Horizon — 7× in this paper · explained in 1 episode
• Accuracy — 4× in this paper · explained in 1 episode
• Primordial Black Holes (PBHs) — 3× in this paper · explained in 7 episodes
• Reheating — 3× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Domain Walls — 1× in this paper · explained in 2 episodes
• Initial Data — 1× in this paper · explained in 2 episodes
• Microlensing — 1× in this paper · explained in 2 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Observation of Gravitational Waves from a Binary Black Hole Merger
• GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence
• The basic physics of the binary black hole merger GW150914
• GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2
• GW170608: Observation of a 19-solar-mass Binary Black Hole Coalescence
• GW170814: A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence
• Did LIGO detect dark matter?
• The clustering of massive Primordial Black Holes as Dark Matter: measuring their mass distribution with Advanced LIGO
• Primordial Black Hole Scenario for the Gravitational-Wave Event GW150914
• Unraveling the origin of black holes from effective spin measurements with LIGO-Virgo
• Primordial Black Holes Confront LIGO/Virgo data: Current situation
• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals
• The Parkes Pulsar Timing Array Project
• The Parkes Pulsar Timing Array
• Searching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I
• Semianalytic Calculation of Gravitational Wave Spectrum Nonlinearly Induced from Primordial Curvature Perturbations
• A Cosmological Signature of the SM Higgs Instability: Gravitational Waves
• Scalar induced gravitational waves review
• Large fluctuations and Primordial Black Holes

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