Rotating black holes in a draining bathtub: superradiant scattering of gravity waves
(2015)
Journal Article
Richartz, M., Prain, A., Liberati, S., & Weinfurtner, S. (2015). Rotating black holes in a draining bathtub: superradiant scattering of gravity waves. Physical Review D, 91(12), Article 124018. https://doi.org/10.1103/PhysRevD.91.124018
In a draining rotating fluid flow background, surface perturbations behave as a scalar field on a rotating effective black hole spacetime. We propose a new model for the background flow which takes into account the varying depth of the water. Numeric... Read More about Rotating black holes in a draining bathtub: superradiant scattering of gravity waves.