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Barry Wardell

As seen in: Physical Review B
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Articles

BlackHolePerturbationToolkit/SpinWeightedSpheroidalHarmonics: SpinWeightedSpheroidalHarmonics 1.0.1

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By Barry Wardell, Niels Warburton, Samuel D. Upton, Kevin Cunningham
| zenodo.org
The SpinWeightedSpheroidalHarmonics package for Mathematica provides functions for computing spin-weighted spheroidal harmonics, spin-weighted spherical harmonics and their associated eigenvalues. See the package website for further details and installation instructions.
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Gravitational Waveforms for Compact Binaries from Second-Order Self-Force Theory

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By College Dublin, Niels Warburton, Barry Wardell, Adam Pound
| Physical Review B
Abstract We produce gravitational waveforms for nonspinning compact binaries undergoing a quasicircular inspiral. Our approach is based on a two-timescale expansion of the Einstein equations in second-order self-force theory, which allows first-principles waveform production in tens of milliseconds. Although the approach is designed for extreme mass ratios, our waveforms agree remarkably well with those from full numerical relativity, even for comparable-mass systems.
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