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Probing the nature of black holes: Deep in the mHz gravitational-wave sky

Baibhav, Vishal; Barack, Leor; Berti, Emanuele; Bonga, Béatrice; Brito, Richard; Cardoso, Vitor; Compère, Geoffrey; Das, Saurya; Doneva, Daniela; Garcia-Bellido, Juan; Heisenberg, Lavinia; Hughes, Scott A.; Isi, Maximiliano; Jani, Karan; Kavanagh, Chris; Lukes-Gerakopoulos, Georgios; Mueller, Guido; Pani, Paolo; Petiteau, Antoine; Rajendran, Surjeet; Sotiriou, Thomas P.; Stergioulas, Nikolaos; Taylor, Alasdair; Vagenas, Elias; van de Meent, Maarten; Warburton, Niels; Wardell, Barry; Witzany, Vojtěch; Zimmerman, Aaron

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Authors

Vishal Baibhav

Leor Barack

Emanuele Berti

Béatrice Bonga

Richard Brito

Vitor Cardoso

Geoffrey Compère

Saurya Das

Daniela Doneva

Juan Garcia-Bellido

Lavinia Heisenberg

Scott A. Hughes

Maximiliano Isi

Karan Jani

Chris Kavanagh

Georgios Lukes-Gerakopoulos

Guido Mueller

Paolo Pani

Antoine Petiteau

Surjeet Rajendran

THOMAS SOTIRIOU Thomas.Sotiriou@nottingham.ac.uk
Professor of Gravitational Physics

Nikolaos Stergioulas

Alasdair Taylor

Elias Vagenas

Maarten van de Meent

Niels Warburton

Barry Wardell

Vojtěch Witzany

Aaron Zimmerman



Abstract

Black holes are unique among astrophysical sources: they are the simplest macroscopic objects in the Universe, and they are extraordinary in terms of their ability to convert energy into electromagnetic and gravitational radiation. Our capacity to probe their nature is limited by the sensitivity of our detectors. The LIGO/Virgo interferometers are the gravitational-wave equivalent of Galileo’s telescope. The first few detections represent the beginning of a long journey of exploration. At the current pace of technological progress, it is reasonable to expect that the gravitational-wave detectors available in the 2035-2050s will be formidable tools to explore these fascinating objects in the cosmos, and space-based detectors with peak sensitivities in the mHz band represent one class of such tools. These detectors have a staggering discovery potential, and they will address fundamental open questions in physics and astronomy. Are astrophysical black holes adequately described by general relativity? Do we have empirical evidence for event horizons? Can black holes provide a glimpse into quantum gravity, or reveal a classical breakdown of Einstein’s gravity? How and when did black holes form, and how do they grow? Are there new long-range interactions or fields in our Universe, potentially related to dark matter and dark energy or a more fundamental description of gravitation? Precision tests of black hole spacetimes with mHz-band gravitational-wave detectors will probe general relativity and fundamental physics in previously inaccessible regimes, and allow us to address some of these fundamental issues in our current understanding of nature.

Journal Article Type Article
Acceptance Date Mar 16, 2021
Online Publication Date Sep 3, 2021
Publication Date Sep 3, 2021
Deposit Date Oct 22, 2021
Publicly Available Date Oct 22, 2021
Journal Experimental Astronomy
Print ISSN 0922-6435
Electronic ISSN 1572-9508
Publisher Springer Science and Business Media LLC
Peer Reviewed Peer Reviewed
Volume 51
Issue 3
Pages 1385-1416
DOI https://doi.org/10.1007/s10686-021-09741-9
Keywords Space and Planetary Science; Astronomy and Astrophysics
Public URL https://nottingham-repository.worktribe.com/output/6508486
Publisher URL https://link.springer.com/article/10.1007%2Fs10686-021-09741-9

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