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Mixing of gravitational wave echoes

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arxiv 1904.05652 v1 pith:MQNAWPMV submitted 2019-04-11 gr-qc astro-ph.HEhep-th

classification gr-qcastro-ph.HEhep-th
keywords echoesechogravitationalmightmixingnear-horizonstructurewave
verification ladder T0 review T1 audit T2 compute T3 formal
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Gravitational wave (GW) echoes, if they exist, would be a probe to the near-horizon quantum structure of black hole (BH), which has motivated the searching for the echo signals in GW data. We point out that the echo phenomenology related with the potential structure might be not so simple as expected. In particular, if the near-horizon regime of BH is modelled as a multiple-barriers filter, the late-time GW ringdown waveform will exhibit the mixing of echoes, even the superpositions. As a result, the amplitudes of successive echoes might not drop sequentially.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Model-agnostic search of gravitational wave echoes in LVK data

    gr-qc 2025-12 conditional novelty 6.0 of 10

    A multi-detector phase-marginalized echo search finds no statistically significant long-lived quasinormal-mode echoes in GW150914, GW231226, and GW250114, and sets 90% upper limits on their network SNR and amplitude.

  2. Gravitational Lensing by Black Holes in Einstein-nonlinear Electrodynamic Theories with Multiple Photon Spheres

    gr-qc 2025-07 conditional novelty 4.0 of 10

    In Einstein-nonlinear electrodynamic black holes, each effective potential peak that is taller than all peaks outside it yields a separate photon ring cluster in the lensed image, and triple-peak cases show three nest...

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