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Cauchy Slice Holography

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If you have a question about this talk, please contact Chiung Hwang.

In this talk I will explain how a particular (T2) irrelevant deformation of the boundary CFT can be used to construct a holographic description of asymptotically-AdS quantum gravity in which the dual theory lives on Cauchy slices of the Lorentzian bulk. This allows us to define an explicit map between boundary CFT states and bulk Wheeler-DeWitt states, i.e. quantum metric superpositions satisfying the Hamiltonian constraint. Furthermore, dynamics with respect to asymptotic time is matched on both sides of the duality as an operator equality in the T2-deformed field theory. This description provides a manifestly background-independent definition of quantum gravity, without reference to any bulk classical geometry. I will end by discussing/speculating on how this approach can be extended to obtain a holographic description of cosmology.

This talk is part of the Quantum Fields and Strings Seminars series.

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