Bumpy horizons from non-linear sigma models
Fabrizio Canfora, Nicolás Grandi, Carla Henr\'ıquez-Báez, Julio Oliva
Abstract
We show that black hole horizons with non-constant curvature can be constructed in any even dimension, when the source of the Einstein equations is given by the stress-energy tensor of a non-linear sigma model of a particular class
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