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gr-qc2021★ 23 cited
Searching for ultralight bosons with supermassive black hole ringdown
Adrian Ka-Wai Chung, Joseph Gais, Mark H. Y. Cheung +1
One class of competitive candidates for dark matter is ultralight bosons. If they exist, these bosons may form long-lived bosonic clouds surrounding rotating black holes via superr…
gr-qc2021★ 31 cited
Lensing of Gravitational Waves as a Novel Probe of Graviton Mass
Ka-Wai Chung, Tjonnie Guang Feng Li
The diffraction patterns of lensed gravitational waves encode information about their propagation speeds. If gravitons have mass, the dispersion relation and speed of gravitational…