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Thanks for the memory: measuring gravitational-wave memory in the first LIGO/Virgo gravitational-wave transient catalog

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arxiv 1911.12496 v1 pith:SFMXZCCJ submitted 2019-11-28 astro-ph.HE gr-qc

Moritz Hübner , Colm Talbot , Paul D. Lasky , Eric Thrane This is my paper
classification astro-ph.HEgr-qc
keywords memorygravitational-wavevirgoligobinaryblackholecatalog
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abstract

Gravitational-wave memory, a strong-field effect of general relativity, manifests itself as a permanent displacement in spacetime. We develop a Bayesian framework to detect gravitational-wave memory with the Advanced LIGO/Virgo detector network. We apply this algorithm on the ten binary black hole mergers in LIGO/Virgo's first transient gravitational-wave catalog. We find no evidence of memory, which is consistent with expectations. In order to estimate when memory will be detected, we use the best current population estimates to construct a realistic sample of binary black hole observations for LIGO/Virgo at design sensitivity. We show that an ensemble of $\mathcal{O}(2000)$ binary black hole observations can be used to find definitive evidence for gravitational-wave memory. We conclude that memory is likely to be detected in the early A+/Virgo+ era.

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Cited by 4 Pith papers

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

  1. Scalar memory from compact binary coalescences

    gr-qc 2026-05 conditional novelty 7.0 of 10

    In Ricci-coupled scalar-Gauss-Bonnet gravity, the change in scalar charge during binary black hole mergers generates a scalar memory contribution that modifies the total memory signal on observable timescales.

  2. Gravitational lensing of gravitational waves: universal characteristics of strongly lensed memory waveforms

    gr-qc 2025-10 conditional novelty 7.0 of 10

    Strongly lensed gravitational-wave memory waveforms acquire universal parity signatures—odd for type I/III images, even for type II—that can identify image type via a simple step-function approximation.

  3. Nonlinear Gravitational Memory in the Post-Minkowskian Expansion

    hep-th 2025-06 conditional novelty 7.0 of 10

    Exact-in-velocity formulas for the O(G^3) nonlinear gravitational memory multipoles from two-body scattering, derived with scattering amplitudes and reverse unitarity, and matched to post-Newtonian results.

  4. A stepping stone toward detecting gravitational wave memory: a cumulative analysis with the full $(\ell=2, m=0)$ spherical harmonic using events from GWTC-4.0 and GWTC-5.0

    gr-qc 2026-07 conditional novelty 5.5 of 10

    Cumulative log10 Bayes factor of 1.38±0.79 favors the full (2,0) mode in GWTC-4.0; decisive evidence is projected to need ~166 events under optimistic assumptions.

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