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Symmetric product orbifolds: how to engineer quantum gravity in AdS/CFT

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If you have a question about this talk, please contact Professor Nick Dorey.

The holographic principle posits a radical way to quantify gravitational physics. It claims that all information of a gravitational theory in a region of space can be encoded by a quantum theory at the boundary of this region. During this colloquium, I will define gravity from a boundary perspective. We will see how one can construct gravity through this relationship, using possible quantum theories on the boundary as materials for the undertaking.The presentation will focus on the large-N limit of two-dimensional symmetric product orbifolds: this will be the material. I will show how one can single out which symmetric product orbifold theory could lead to a strongly coupled point in their moduli space, whose dual could be a semi-classical theory of AdS_3 gravity. In this process, strange, counter-intuitive and also novel effects will occur which will be discussed.

This talk is part of the Theoretical Physics Colloquium series.

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