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arxiv: 1612.00391 · v2 · submitted 2016-12-01 · ✦ hep-th · gr-qc

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Recovering the spacetime metric from a holographic dual

Netta Engelhardt , Gary T. Horowitz
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classification ✦ hep-th gr-qc
keywords conformalmetriccertainobtainblackboundarybulkcollapsing
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We review our recent proposal to use certain spatial cross-sections of the boundary at infinity -- light-cone cuts -- to recover the conformal metric in the bulk. We discuss some extensions of this work, including how to obtain the conformal metric near the horizon of a collapsing black hole. We also show how to obtain the conformal factor under certain conditions.

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