Constraining supermassive primordial black hole clustering with the angular auto-correlation of z 6 quasars

arXiv:2606.25602 · astro-ph.CO, gr-qc, hep-ph · Submitted 2026-06-24 · Read on arXiv

Zhan-He Wang, Hai-Long Huang, Yun-Song Piao

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

Submitted: 2026-06-24

Comments: 23 pages, 5 figures, 1 table

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

Terminology

• Clustering — 43× in this paper · explained in 2 episodes
• Abundance — 6× in this paper · explained in 1 episode
• Sloan Digital Sky Survey — 6× in this paper
• Spectral Distortions — 3× in this paper · explained in 2 episodes
• Hubble Tension — 2× in this paper · explained in 9 episodes
• Non-Gaussianity — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Little Red Dots — 1× in this paper · explained in 2 episodes
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 7 episodes

Sources

• A Survey of z~6 Quasars in the SDSS Deep Stripe: I. a Flux-Limited Sample at z_{AB}<21
• The Final SDSS High-Redshift Quasar Sample of 52 Quasars at z>5.7
• Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). II. Discovery of 32 Quasars and Luminous Galaxies at 5.7 < z < 6.8
• Discovery of the First Low-Luminosity Quasar at z > 7
• Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XVI. 69 New Quasars at 5.8 < z < 7.0
• Four quasars above redshift 6 discovered by the Canada-France High-z Quasar Survey
• The Canada-France High-z Quasar Survey: nine new quasars and the luminosity function at redshift 6
• The Pan-STARRS1 distant z>5.6 quasar survey: more than 100 quasars within the first Gyr of the universe
• A luminous quasar at a redshift of z = 7.085
• Quasars and the Intergalactic Medium at Cosmic Dawn
• An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30
• Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). VI. Black Hole Mass Measurements of Six Quasars at 6.1<z<6.7
• The X-shooter/ALMA Sample of Quasars in the Epoch of Reionization. II. Black Hole Masses, Eddington Ratios, and the Formation of the First Quasars
• The origins of massive black holes
• The Assembly of the First Massive Black Holes
• Primordial Black Holes as Dark Matter
• Constraints on Primordial Black Holes
• Observational Evidence for Primordial Black Holes: A Positivist Perspective
• Supermassive black holes formed by direct collapse of inflationary perturbations
• Search for primordial black holes from gravitational wave populations using deep learning

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