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The dark timbre of gravitational waves

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arxiv 2402.16849 v2 pith:5WJ6CQFI submitted 2024-02-26 gr-qc astro-ph.COastro-ph.HE

Juan Urrutia , Ville Vaskonen This is my paper · ORCID
classification gr-qcastro-ph.COastro-ph.HE
keywords darkgravitationalhalostimbreamplitudebinariesbinarychange
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abstract

Gravitational wave timbre, the relative amplitude and phase of the different frequency harmonics, can change due to interactions with low-mass halos. We focus on binaries in the LISA range and find that the integrated lens effect of cold dark matter structures can be used to probe the existence of $M_{\rm v}\lesssim 10\, M_{\odot}$ halos if a single binary with eccentricity $e=0.3-0.6$ is detected with a signal-to-noise ratio $100 - 10^3$ and it is at $z_s=0.5$.

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Forward citations

Cited by 2 Pith papers

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

  1. Probing small-scale power spectrum with gravitational-wave diffractive lensing

    hep-ph 2025-01 conditional novelty 7.0 of 10

    Gravitational-wave diffractive lensing, combined statistically across many events, can map the small-scale matter power spectrum through a new frequency-to-scale relation.

  2. Across the Universe: GW231123 as a magnified and diffracted black hole merger

    astro-ph.GA 2025-12 conditional novelty 6.0 of 10

    GW231123's extreme mass and spins may be explained by a point-mass microlens embedded in a galaxy, reducing the inferred source mass to about 100-180 solar masses.

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