Rotating black holes in a draining bathtub: superradiant scattering of gravity waves

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Rotating black holes in a draining bathtub: superradiant scattering of gravity waves

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. Numerical integration of the associated Klein-Gordon equa...

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Bibliographic Details
Main Authors:	Richartz, Mauricio, Prain, Angus, Liberati, Stefano, Weinfurtner, Silke
Format:	Article
Published:	American Physical Society 2015
Online Access:	https://eprints.nottingham.ac.uk/42624/

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