Black Hole Superradiance · Boson Clouds
unseel.com · Kerr ergoregion · gravitational atom · ω < mΩ_H
Occupation N 1
Spin a/M 0.99
phase
Event horizon
Ergoregion (rotation)
Boson cloud (gravitational atom)
Gravitational wave
Unseel.com · Superradiant Instability: How Spinning Black Holes Grow Boson Clouds