期刊
PHYSICAL REVIEW D
卷 100, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.024020
关键词
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资金
- Vetenskapsradet (Swedish Research Council) [638-2013-8993]
- Oskar Klein Centre for Cosmoparticle Physics
- Isaac Newton Trust
- Kavli Foundation through a Newton-Kavli fellowship
- Barry University
- University of Florida
The Event Horizon Telescope has recently provided the first image of the dark shadow around the supermassive black hole M87*. The observation of a highly circular shadow provides strong limits on deviations of M87*'s quadrupole moment from the Kerr value. We show that the absence of such a deviation can be used to constrain the physics of extra dimensions of spacetime. Focusing on the Randall-Sundrum AdS(5) brane-world scenario, we show that the observation of M87*'s dark shadow sets the limit l less than or similar to 170 AU, where l is the AdS(5) curvature radius. This limit is among the first quantitative constraints on exotic physics obtained from the extraordinary first ever image of the dark shadow of a black hole.
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