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Gravitational Waves from Hierarchical Triple Systems with Kozai-Lidov Oscillation

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arxiv 1911.11318 v3 pith:YQTRDPFU submitted 2019-11-26 gr-qc

Priti Gupta , Haruka Suzuki , Hirotada Okawa , Kei-ichi Maeda This is my paper
classification gr-qc
keywords gravitationalsystembinaryhierarchicalinnerkozai-lidovoscillationsthree-body
verification ladder T0 review T1 audit T2 compute T3 formal
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We study gravitational waves from a hierarchical three-body system up to first-order postNewtonian approximation. Under certain conditions, the existence of a nearby third body can cause periodic exchange between eccentricity of an inner binary and relative inclination, known as Kozai-Lidov oscillations. We analyze features of the waveform from the inner binary system undergoing such oscillations. We find that variation caused due to the tertiary companion can be observed in the gravitational waveforms and energy spectra, which should be compared with those from isolated binaries and coplanar three-body system. The detections from future space interferometers will make possible the investigation of the gravitational wave spectrum in mHz range and may fetch signals by sources addressed.

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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. Nowhere left to hide: revealing realistic gravitational-wave populations in high dimensions and high resolution with PixelPop

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    Modeling all significant correlations with the nonparametric model PixelPop recovers the true black-hole merger rate in a simulated 400-event gravitational-wave catalog, while simpler models introduce bias.

  2. Inspiral tests of general relativity and waveform geometry

    gr-qc 2026-02 conditional novelty 5.0 of 10

    The power of ppE-style GR tests comes from waveform geometry: GR parameter biases absorb most of any smooth phase deviation, and SVD finds the few orthogonal directions that remain.

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