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Effective-one-body modeling for generic compact binaries with arbitrary orbits

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arxiv 2503.14580 v1 pith:7X25XTEL submitted 2025-03-18 gr-qc

Simone Albanesi , Rossella Gamba , Sebastiano Bernuzzi , Joan Fontbuté , Alejandra Gonzalez , Alessandro Nagar This is my paper · ORCID
classification gr-qc
keywords binariesgenericgravitationalteobresums-dalallowsarbitrarycompactcomputation
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the first unified model for the general relativistic dynamics and gravitational radiation of generic compact binaries. TEOBResumS-Dal\'i is a model based on the effective-one-body framework incorporating tidal interactions, generic spins, multipolar radiation reaction/waveform and numerical-relativity information. It allows the computation of gravitational waves and other dynamical gauge invariants from generic binaries (black holes, neutron stars, neutron star-black hole binaries) evolving along arbitrary orbits (quasi-circular, eccentric, non-planar) through merger and including scattering. The performances of TEOBResumS-Dal\'i in the strong-field regime are showcased by comparisons with a large sample of 1395 high-accuracy numerical-relativity simulations available. TEOBResumS-Dal\'i allows the computation of faithful waveforms for gravitational wave astronomy, providing at the same time an understanding and a prediction of the strong-field dynamics.

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Cited by 10 Pith papers

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

  1. High-Post-Newtonian-Order Dynamics Induced by Tail-of-Tail Interactions: The Non-Geodesic Terms

    gr-qc 2026-08 conditional novelty 7.0 of 10

    The authors compute tail-of-tail contributions to the effective-one-body Q potential through p_r^12 and derive new second-order self-force redshift predictions for eccentric binaries.

  2. From the confluent Heun equation to a new factorized and resummed gravitational waveform for circularized, nonspinning, compact binaries

    gr-qc 2026-02 conditional novelty 7.0 of 10

    A new resummation absorbs all test-mass logarithms and transcendental numbers into closed-form factors, leaving rational polynomial waveform corrections up to 10PN.

  3. Fast, accurate, and differentiable: a neural-network surrogate for NRSur7dq4 precessing binary black hole waveforms

    gr-qc 2026-07 accept novelty 6.0 of 10

    A piecewise MLP surrogate emulates NRSur7dq4 over its full domain at NR-faithful accuracy with ~1 ms GPU latency and a fully differentiable JAX likelihood pipeline.

  4. Impact of numerical-relativity waveform calibration on parametrized post-Einsteinian tests

    gr-qc 2026-03 accept novelty 6.0 of 10

    NR late-inspiral calibration systematics in IMRPhenomD produce false ppE GR violations at O5 SNRs ≳60; an uncertainty-aware baseline restores consistency with GR up to SNR 330.

  5. Advancing the Effective-One-Body Framework in the Test-Mass Limit

    gr-qc 2026-03 conditional novelty 6.0 of 10

    SEOB-TML cuts dephasing by up to an order of magnitude in the test-mass limit by Q-factorizing the flux (including horizon absorption) and by modeling mode mixing with extracted QNM coefficients.

  6. Testing general relativity with amplitudes of subdominant gravitational-wave modes

    gr-qc 2025-11 conditional novelty 6.0 of 10

    An extended gravitational-wave amplitude test adds (4,4) and (3,2) modes, reports a new δA44 constraint from GW230814, and shows precession and eccentricity can mimic GR violations.

  7. Black-hole - neutron-star mergers: new numerical-relativity simulations and multipolar effective-one-body model with spin precession and eccentricity

    gr-qc 2025-06 conditional novelty 6.0 of 10

    A new catalog of 52 numerical-relativity BHNS merger simulations is used to calibrate TEOBResumS-Dalí, an improved effective-one-body waveform model with multipolar ringdown, spin precession, and eccentricity.

  8. Testing the nature of GW200105 by probing the frequency evolution of eccentricity

    astro-ph.HE 2025-09 conditional novelty 5.0 of 10

    GW200105's recovered eccentricity as a function of frequency is consistent with the general-relativistic decay law at 68% confidence, supporting the eccentric-orbit interpretation.

  9. Revisiting GW150914 with a non-planar, eccentric waveform model

    gr-qc 2025-05 conditional novelty 5.0 of 10

    Using a waveform model that includes both eccentricity and spin precession, the authors confirm GW150914 was a quasi-circular, slowly spinning black hole merger, with eccentricity below 0.08 at 15 Hz.

  10. PhenomXPNR: An improved gravitational wave model linking precessing inspirals and NR-calibrated merger-ringdown

    gr-qc 2025-07 conditional novelty 4.0 of 10

    PhenomXPNR is a fast frequency-domain gravitational-wave template for spinning black-hole mergers that combines post-Newtonian inspiral precession with numerical-relativity-calibrated merger and ringdown.

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