Primordial Black Hole Seeds for Little Red Dots in f(R) Gravity

arXiv:2608.29727 · astro-ph.GA, astro-ph.CO, gr-qc · Submitted 2026-08-30 · Read on arXiv

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

Submitted: 2026-08-30

Updated: 2026-08-30

Terminology

• Clustering — 14× in this paper · explained in 2 episodes
• Abundance — 7× in this paper · explained in 1 episode
• AGN — 6× in this paper · explained in 1 episode
• Core — 3× in this paper · explained in 2 episodes
• Little Red Dots — 3× in this paper · explained in 2 episodes
• Mass Segregation — 2× in this paper · explained in 2 episodes
• Square Kilometre Array — 2× in this paper
• Accretion Efficiency — 1× in this paper · explained in 2 episodes
• Accretion Physics — 1× in this paper · explained in 2 episodes
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Bispectrum — 1× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• James Webb Space Telescope — 1× in this paper
• Laser Interferometer Space Antenna — 1× in this paper
• Little Red Dots (LRDs) — 1× in this paper · explained in 3 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 7 episodes
• Primordial non-Gaussianity — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• A population of red candidate massive galaxies ~600 Myr after the Big Bang
• A JWST/NIRSpec First Census of Broad-Line AGNs at z=4-7: Detection of 10 Faint AGNs with M_BH~10^6-10^8 M_sun and Their Host Galaxy Properties
• A small and vigorous black hole in the early Universe
• Little Red Dots: an abundant population of faint AGN at z~5 revealed by the EIGER and FRESCO JWST surveys
• A Census of Photometrically Selected Little Red Dots at 4 < z < 9 in JWST Blank Fields
• UNCOVER spectroscopy confirms a surprising ubiquity of AGN in red galaxies at $z>5$
• COSMOS-Web: The over-abundance and physical nature of "little red dots"--Implications for early galaxy and SMBH assembly
• Formation of Supermassive Black Holes
• The Assembly of the First Massive Black Holes
• Quasars and the Intergalactic Medium at Cosmic Dawn
• High-redshift Galaxies from JWST Observations in More Realistic Dark Matter Halo Models
• Matching JWST UV Luminosity Functions with Refined $\Lambda$CDM Halo Models
• Massive Black Holes as Population III Remnants
• The First Stars
• Formation of the First Supermassive Black Holes
• Supermassive black hole formation during the assembly of pre-galactic discs
• Pathways to massive black holes and compact star clusters in pre-galactic dark matter haloes with virial temperatures > 10000K
• Black hole formation in the early universe
• Formation of the first nuclear clusters and massive black holes at high redshift
• Seeding High Redshift QSOs by Collisional Runaway in Primordial Star Clusters

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• Deriving volume density profiles of filaments from observed surface densities
• Little Red Dots and Supermassive Black Hole Seed Formation in Ultralight Dark Matter Halos
• MEGATRON: how the first stars can create an iron metallicity plateau in the smallest dwarf galaxies