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arxiv: 1502.06987 · v2 · pith:F3AR3EDYnew · submitted 2015-02-24 · 🌀 gr-qc

Gauge Invariant Spectral Cauchy Characteristic Extraction

Casey J. Handmer , B\'ela Szil\'agyi , Jeffrey Winicour This is my paper
classification 🌀 gr-qc
keywords extractiongaugespectralcauchycharacteristiccodedifferentinvariant
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We present gauge invariant spectral Cauchy characteristic extraction. We compare gravitational waveforms extracted from a head-on black hole merger simulated in two different gauges by two different codes. We show rapid convergence, demonstrating both gauge invariance of the extraction algorithm and consistency between the legacy Pitt null code and the much faster Spectral Einstein Code (SpEC).

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