Enriching the symphony of gravitational waves from binary black holes by tuning higher harmonics

  title={Enriching the symphony of gravitational waves from binary black holes by tuning higher harmonics},
  author={Roberto Cotesta and Alessandra Buonanno and Alejandro Boh'e and Andrea Taracchini and Ian Hinder and Serguei Ossokine},
  journal={Physical Review D},
For the first time, we construct an inspiral-merger-ringdown waveform model within the effective-one-body formalism for spinning, nonprecessing binary black holes that includes gravitational modes beyond the dominant $(\ell,|m|) = (2,2)$ mode, specifically $(\ell,|m|)=(2,1),(3,3),(4,4),(5,5)$. Our multipolar waveform model incorporates recent (resummed) post-Newtonian results for the inspiral and information from 157 numerical-relativity simulations, and 13 waveforms from black-hole… 

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