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Nonlinear Effects in Black Hole Ringdown

Mark Ho-Yeuk Cheung1, Vishal Baibhav2, Emanuele Berti1, Vitor Cardoso3,4, Gregorio Carullo5, Roberto Cotesta1, Walter Del Pozzo6, Francisco Duque4, Thomas Helfer1 et al.

Estuti Shukla7 and Kaze W. K. Wong8

  • 1William H. Miller III Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
  • 2Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) and Department of Physics and Astronomy, Northwestern University, 1800 Sherman Ave, Evanston, Illinois 60201, USA
  • 3Niels Bohr International Academy, Niels Bohr Institute, Blegdamsvej 17, 2100 Copenhagen, Denmark
  • 4CENTRA, Departamento de Física, Instituto Superior Técnico—IST, Universidade de Lisboa—UL, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
  • 5Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, Fröbelstieg 1, 07743 Jena, Germany
  • 6Dipartimento di Fisica “Enrico Fermi,” Università di Pisa, Pisa I-56127, Italy
  • 7Institute for Gravitation and the Cosmos, Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
  • 8Center for Computational Astrophysics, Flatiron Institute, New York, New York 10010, USA

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Phys. Rev. Lett. 130, 081401 – Published 22 February, 2023

DOI: https://doi.org/10.1103/PhysRevLett.130.081401

Abstract

We report evidence for nonlinear modes in the ringdown stage of the gravitational waveform produced by the merger of two comparable-mass black holes. We consider both the coalescence of black hole binaries in quasicircular orbits and high-energy, head-on black hole collisions. The presence of nonlinear modes in the numerical simulations confirms that general-relativistic nonlinearities are important and must be considered in gravitational-wave data analysis.

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Finding Nonlinearities in Black Hole Ringdowns

Published 22 February, 2023

Simulations show that nonlinear spacetime dynamics manifest in the postmerger gravitational-wave signal of binary black hole coalescence.

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Nonlinearities in Black Hole Ringdowns

Keefe Mitman, Macarena Lagos, Leo C. Stein, Sizheng Ma, Lam Hui, Yanbei Chen, Nils Deppe, François Hébert, Lawrence E. Kidder, Jordan Moxon, Mark A. Scheel, Saul A. Teukolsky, William Throwe, and Nils L. Vu
Phys. Rev. Lett. 130, 081402 (2023)

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Phys. Rev. Lett. 130, 081401– Published 22 February, 2023
  • Received 26 August 2022
  • Revised 6 November 2022
  • Accepted 21 December 2022
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