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Late-time tails in nonlinear evolutions of merging black holes
Marina De Amicis, Hannes Rüter, Gregorio Carullo +17
We uncover late-time gravitational-wave tails in fully nonlinear 3+1 dimensional numerical relativity simulations of merging black holes, using the highly accurate SpEC code. We ac…
Actions of spinning compact binaries: Spinning particle in Kerr matched to dynamics at 1.5 post-Newtonian order
Vojtěch Witzany, Viktor Skoupý, Leo C. Stein +1
The motion of compact binaries is influenced by the spin of their components starting at the 1.5 post-Newtonian (PN) order. On the other hand, in the large mass ratio limit, the sp…
Approximate helical symmetry in compact binaries
Aniket Khairnar, Leo C. Stein, Michael Boyle
The inspiral of a circular, non-precessing binary exhibits an approximate helical symmetry. The effects of eccentricity, precession, and radiation reaction break the exact symmetry…
High-Precision Ringdown Surrogate Model for Non-Precessing Binary Black Holes
Lorena Magaña Zertuche, Leo C. Stein, Keefe Mitman +11
Highly precise and robust waveform models are required as improvements in detector sensitivity enable us to test general relativity with more precision than ever before. In this wo…
A Review of Gravitational Memory and BMS Frame Fixing in Numerical Relativity
Keefe Mitman, Michael Boyle, Leo C. Stein +8
Gravitational memory effects and the BMS freedoms exhibited at future null infinity have recently been resolved and utilized in numerical relativity simulations. With this, gravita…
Imprints of Changing Mass and Spin on Black Hole Ringdown
Hengrui Zhu, Frans Pretorius, Sizheng Ma +8
We numerically investigate the imprints of gravitational radiation-reaction driven changes to a black hole's mass and spin on the corresponding ringdown waveform. We do so by compa…
Can a radiation gauge be horizon-locking?
Leo C. Stein
In this short Note, I answer the titular question: Yes, a radiation gauge can be horizon-locking. Radiation gauges are very common in black hole perturbation theory. It's also very…
Optimizing post-Newtonian parameters and fixing the BMS frame for numerical-relativity waveform hybridizations
Dongze Sun, Michael Boyle, Keefe Mitman +4
Numerical relativity (NR) simulations of binary black holes provide precise waveforms, but are typically too computationally expensive to produce waveforms with enough orbits to co…