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Minimal surfaces in semiclassical gravity

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If you have a question about this talk, please contact Nathan Johnson-McDaniel.

In holography, the Ryu-Takayanagi conjecture relates the entropy associated to a region on the boundary with the area of a certain minimal surface in the bulk. I will describe the standard arguments for the validity of this conjecture, and argue that these arguments suffer from a common weakness – their use of the so-called ‘replica trick’. I will then present a new approach to proving the conjecture which does not rely upon the replica trick.

This talk is part of the DAMTP Friday GR Seminar series.

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