Observing black holes through superconductors

@article{Kaku2021ObservingBH,
title={Observing black holes through superconductors},
author={Youka Kaku and Keiju Murata and Jun Tsujimura},
journal={Journal of High Energy Physics},
year={2021}
}
• Published 1 June 2021
• Physics
• Journal of High Energy Physics
Abstract We propose a way to observe the photon ring of the asymptotically anti-de Sitter black hole dual to a superconductor on the two-dimensional sphere. We consider the electric current of the superconductor under the localized time-periodic external electromagnetic field. On the gravity side, the bulk Maxwell field is sent from the AdS boundary and then diffracted by the black hole. We construct the image of the black hole from the asymptotic data of the bulk Maxwell field that… Expand

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