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Binary black-hole evolutions of excision and puncture data

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arxiv gr-qc/0606079 v2 pith:P7BL23XD submitted 2006-06-19 gr-qc

Ulrich Sperhake This is my paper · ORCID
classification gr-qc
keywords datablack-holeinitialwaveformsbinarycodedifferentevolution
verification ladder T0 review T1 audit T2 compute T3 formal

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We present a new numerical code developed for the evolution of binary black-hole spacetimes using different initial data and evolution techniques. The code is demonstrated to produce state-of-the-art simulations of orbiting and inspiralling black-hole binaries with convergent waveforms. We also present the first detailed study of the dependence of gravitational waveforms resulting from three-dimensional evolutions of different types of initial data. For this purpose we compare the waveforms generated by head-on collisions of superposed Kerr-Schild, Misner and Brill-Lindquist data over a wide range of initial separations.

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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. Scalarization and descalarization in hyperbolic encounters of black holes

    gr-qc 2026-06 unverdicted novelty 6.0 of 10

    Numerical relativity in the decoupling limit reveals dynamical scalarization and spin-induced (de)scalarization during hyperbolic black hole encounters for both signs of the coupling.

  2. Spin-up and mass-gain in hyperbolic encounters of spinning black holes

    gr-qc 2025-10 unverdicted novelty 6.0 of 10

    Scattering black holes gain spin and mass by absorbing emitted gravitational radiation, with spin-up up to 0.3 and mass gain up to 15% in near-threshold encounters.

  3. superB/NRPy: Scalable, Task-Based Numerical Relativity for 3G Gravitational Wave Science

    gr-qc 2025-04 conditional novelty 6.0 of 10

    superB/NRPy automatically generates distributed-memory Charm++ code from NRPy's BlackHoles@Home modules, showing bitwise agreement with the OpenMP version and strong scaling to 7168 cores.

  4. AthenaK simulations of the binary black hole merger GW150914

    gr-qc 2025-06 conditional novelty 5.0 of 10

    A new open-source GPU code, AthenaK, reproduces the GW150914 merger: remnant mass within 0.01%, spin within 0.02%, and waveform phase within about 0.35 radians of established simulations.

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