Bekenstein-Hod universal bound on information emission rate is obeyed by LIGO-Virgo binary black hole remnants

Carullo, G., Laghi, D., Veitch, J. and Del Pozzo, W. (2021) Bekenstein-Hod universal bound on information emission rate is obeyed by LIGO-Virgo binary black hole remnants. Physical Review Letters, 126, 161102. (doi: 10.1103/PhysRevLett.126.161102)

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Causality and the generalized laws of black hole thermodynamics imply a bound, known as the Bekenstein-Hod universal bound, on the information emission rate of a perturbed system. Using a time-domain ringdown analysis, we investigate whether remnant black holes produced by the coalescences observed by Advanced LIGO and Advanced Virgo obey this bound. We find that the bound is verified by the astrophysical black hole population with 94% probability, providing a first confirmation of the Bekenstein-Hod bound from black hole systems.

Item Type:Articles
Additional Information:J.V. was partially supported by STFC grant ST/K005014/2. This research has made use of data, software and/or web tools obtained from the Gravitational Wave Open Science Center (, a service of LIGO Laboratory, the LIGO Scientific Collaboration and the Virgo Collaboration. LIGO is funded by the U.S. National Science Foundation. Virgo is funded by the French Centre National de Recherche Scientifique (CNRS), the Italian Istituto Nazionale di Fisica Nucleare (INFN) and the Dutch Nikhef, with contributions by Polish and Hungarian institutes.
Glasgow Author(s) Enlighten ID:Veitch, Dr John
Authors: Carullo, G., Laghi, D., Veitch, J., and Del Pozzo, W.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review Letters
Publisher:American Physical Society
ISSN (Online):1079-7114
Published Online:22 April 2021
Copyright Holders:Copyright © 2021 American Physical Society
First Published:First published in Physical Review Letters 126:161102
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
301152Surveying black holes and neutron stars with gravitational wavesJohn VeitchScience and Technology Facilities Council (STFC)ST/K005014/2P&S - Physics & Astronomy