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Smooth null hypersurfaces near the horizon in the presence of tails
2013
Physical Review D
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We show that the power-law decay modes found in linear perturbations of Schwarzschild black holes, generally called tails, do not produce caustics on a naturally defined family of null surfaces in the neighborhood of i+ of a black hole horizon.
doi:10.1103/physrevd.87.064039
fatcat:a3k36qvv3fewbk756xhij3tt5q