WEI-XIANG FENGTheoretical Physicist

I am a Shuimu Scholar postdoc working with Prof. Haipeng An at Tsinghua University.
I specialize in black holes, dark matter, and gravitational waves. - CV -

Education

University of California at Riverside, Riverside, CA
2017 -- 2023
Ph.D. in High energy physics & Astrophysics
Advisor: Prof. Hai-Bo Yu

National Tsing Hua University, Hsinchu, Taiwan
2012 -- 2014
M.S. in Physics
Advisor: Prof. Chao-Qiang Geng

Research Interests

Black Hole Physics

Investigating the dynamics of black holes and the potential implications for new physics.

Dark Matter

Studying the interaction of self-interacting dark matter and its role in galaxy formation.

Gravitational Waves

Exploring the merger rates of primordial black holes and their signatures in gravitational wave.

Press Release

• Media coverage of my works:

Study points to a seed black hole produced by a dark matter halo collapse
(see also the UCR News, UChicago News, EurekaAlert, SCI News, ...)
Formation of black holes linked to spatial dimensions

• Expert Top Picks from:

arXiv papers

Selected Publications

Seeding Supermassive Black Holes with Self-interacting Dark Matter: A Unified Scenario with Baryons – Astrophys. J. Lett. 914 (2021) 2, L26

Gravitational Waves from Primordial Black Hole Dark Matter Spikes – Astrophys. J. 986 (2025) 2, 151

Dynamical instability of collapsed dark matter halos – J. Cosmol. Astropart. Phys. 05 (2022) 036

Self-interacting dark scalar spikes around black holes via relativistic Bondi accretion – J. Cosmol. Astropart. Phys. 08 (2022) 032

Gravothermal phase transition, black holes and space dimensionality – Phys. Rev. D 106 (2022) 4, L041501

On the Dynamical Instability of Monatomic Fluid Spheres in (N+1)-Dimensional Spacetime – Astronomy 2 (2023) 1, 22-46

The Buchdahl stability bound in Eddington-inspired Born-Infeld gravity – Chin. Phys. C 43 (2019) 8, 083107

Equation of State of Neutron Stars with Junction Conditions in the Starobinsky Model – Int. J. Mod. Phys. D 27 (2017) 01, 1750186