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astro-ph.CO2026
Smoluchowski Coagulation Equation and the Evolution of Primordial Black Hole Clusters
Borui Zhang, Wei-Xiang Feng, Haipeng An
In arXiv:2507.07171, we demonstrate that the high-redshift supermassive black holes in the so-called "little red dots" discovered by James Webb Space Telescope (JWST) can be explai…
astro-ph.CO2026
Inflationary phase transitions in the early Universe: A Bayesian study with space-based gravitational-wave detectors
Qingyuan Liang, Chen Yang, Haipeng An +1
Inflationary phase transitions can generate a stochastic gravitational-wave background that probes primordial physics. We study the detectability and parameter reconstruction of su…
astro-ph.CO2025
Little Red Dots from Small-Scale Primordial Black Hole Clustering
Borui Zhang, Wei-Xiang Feng, Haipeng An
The James Webb Space Telescope (JWST) observations have identified a class of compact galaxies at high redshifts (), dubbed "little red dots" (LRDs). The…