activity
20222026
most citedOn primordial universe in anti-de Sitter landscape

4 citations · 10 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.CO2026

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

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

High-redshift quasars provide a direct probe of the origin and environment of the earliest supermassive black holes. We use their angular auto-correlation function at t…

astro-ph.GA2025

Influence of supermassive primordial black holes on ultraviolet luminosity of high-redshift galaxies

Yi-Yang Li, Hai-Long Huang, Yun-Song Piao

Recently James Webb Space Telescope (JWST) have observed an excess of luminous galaxies at high redshifts (). In this work, we investigate whether supermassive primor…

gr-qc2025

A fast deep-learning approach to probing primordial black hole populations in gravitational wave events

Jun-Qian Jiang, Hai-Long Huang, Jibin He +2

Primordial black holes (PBHs), envisioned as a compelling dark matter candidate and a window onto early-Universe physics, may contribute to some of the gravitational-wave (GW) sign…

gr-qc2025

Search for primordial black holes from gravitational wave populations using deep learning

Hai-Long Huang, Zhan-He Wang, Qing-Yu Lan +5

Gravitational waves (GWs) signals detected by the LIGO/Virgo/KAGRA collaboration might be sourced (partly) by the merges of primordial black holes (PBHs). The conventional hierarch…

astro-ph.CO2025

Broad primordial power spectrum and -distortion constraints on primordial black holes

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

Supermassive black holes (SMBHs) might originate from supermassive primordial black holes (PBHs). However, the hypothesis that these PBHs formed through the enhancement of the prim…

astro-ph.GA2024★ 1 cited

Sub-Eddington accreting supermassive primordial black holes explain Little Red Dots

Hai-Long Huang, Jun-Qian Jiang, Jibin He +2

The James Webb Space Telescope (JWST) has uncovered an abundant population of compact, extremely red, and X-ray weak objects at , knows as ``Little Red Dots" (LRDs). The…

astro-ph.GA2024★ 2 cited

Supermassive primordial black holes for the GHZ9 and UHZ1 observed by the JWST

Hai-Long Huang, Yu-Tong Wang, Yun-Song Piao

The high redshift () galaxies GHZ9 and UHZ1 observed by the James Webb Space Telescope (JWST) are very massive and have exceptionally high black hole-to-star mass ratios with…

astro-ph.CO2024

High-redshift JWST massive galaxies and the initial clustering of supermassive primordial black holes

Hai-Long Huang, Jun-Qian Jiang, Yun-Song Piao

In this paper, we show that the initial clustering of supermassive primordial black holes (SMPBHs) beyond a Poisson distribution can efficiently enhance the matter power spectrum,…

astro-ph.CO2024

Primordial extreme mass-ratio inspirals

Hai-Long Huang, Tian-Yi Song, Yun-Song Piao

The coalescence of stellar-mass primordial black holes (PBHs) might explain some of the gravitation waves (GWs) events detected by LIGO-Virgo-KAGRA. On the other hand, observationa…

astro-ph.CO2023★ 3 cited

Towards supermassive primordial black holes from inflationary bubbles

Hai-Long Huang, Yun-Song Piao

The bubbles that nucleated during slow-roll inflation can be supercritical, i.e. their radii are larger than the Hubble horizon of de Sitter spacetime inside the bubble (an inflati…

astro-ph.CO2023

Merger rate of supermassive primordial black hole binaries

Hai-Long Huang, Jun-Qian Jiang, Yun-Song Piao

The probability that the primordial black hole (PBH) binaries formed in the early Universe can be affected by the Hubble expansion of background, which is non-negligible when the n…

gr-qc2022★ 4 cited

On primordial universe in anti-de Sitter landscape

Pu-Xin Lin, Hai-Long Huang, Jun Zhang +1

How the spacetime evolved non-perturbatively in a landscape with multiple anti-de Sitter (AdS) vacua, which is theoretically well-motivated, has always been a matter of concern. As…