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- W4380993863 abstract "We investigate the interplay between numerical relativity (NR) and point-particle black hole perturbation theory (ppBHPT) in the comparable mass ratio regime. In the ppBHPT framework, the secondary black hole is treated as a point particle, neglecting its finite size. Our study focuses on addressing the missing finite size effect in the ppBHPT framework and proposing a method for incorporating the size of the secondary into the perturbation theory framework. We demonstrate that by considering the secondary as a finite size object, the BHPT waveforms closely match NR waveforms. Additionally, we revisit the $alpha$-$beta$ scaling technique, which was previously introduced by Islam et al, as a means to effectively match ppBHPT waveforms to NR waveforms. We further analyze the scaling procedure and decompose it into different components, attributing them to various effects, including the corrections arising from the finite size of the secondary black hole." @default.
- W4380993863 created "2023-06-17" @default.
- W4380993863 creator A5050881945 @default.
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- W4380993863 date "2023-06-14" @default.
- W4380993863 modified "2023-09-26" @default.
- W4380993863 title "Interplay between numerical relativity and perturbation theory : finite size effects" @default.
- W4380993863 doi "https://doi.org/10.48550/arxiv.2306.08767" @default.
- W4380993863 hasPublicationYear "2023" @default.
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