2 papers
hep-ph2026
Precision Solar System Dynamics for Ultralight Dark Matter Search
Jonas Frerick, Hyungjin Kim, Felix Kling
Ultralight dark matter exhibits an order-one density fluctuation at the scale of its wavelength. This density fluctuation exists across the entire dark matter halo and interacts wi…
gr-qc2025
Self-Gravity in Superradiance Clouds: Implications for Binary Dynamics and Observational Prospects
Hyungjin Kim, Alessandro Lenoci
Spinning black holes could produce ultralight particles via the superradiance instability. These particles form a dense cloud around the host black hole, introducing new opportunit…