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Updated: Nov 8, 2025

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
Published on: August 12, 2013
Gravitational Wave Glitches in Chaotic Extreme-Mass-Ratio Inspirals
Kyriakos Destounis1, Arthur G Suvorov1, Kostas D Kokkotas1
1Theoretical Astrophysics, IAAT, University of Tübingen, 72076 Tübingen, Germany.
Abstract:
The Kerr geometry admits the Carter symmetry, which ensures that the geodesic equations are integrable. It is shown that gravitational waveforms associated with extreme-mass-ratio inspirals involving a nonintegrable compact object display "glitch" phenomena, where the frequencies of gravitational waves increase abruptly, when the orbit crosses certain spacetime regions known as Birkhoff islands. The presence or absence of these features in data from upcoming space-borne detectors will therefore allow not only for tests of general relativity but also of fundamental spacetime symmetries.
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