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Title:
Quantum Field Theory in AdS at finite coupling
Speaker:
Abstract:
The talk is based on https://arxiv.org/abs/1810.04185. I will start by giving some general motivations for why QFT in AdS is interesting. Then I will focus on the example of large N vector models. I will explain how we computed the AdS correlators in these theories by requiring the absence of spurious double-trace contributions in the boundary correlators. I will move on to discuss the physics described by these correlators. In particular, in the bosonic (fermionic) theory we can see the AdS analogue of a resonance (bound state) in the flat-space scattering amplitude. If time permits, I will also discuss the critical theories in AdS and the boundary-cft data encoded in the AdS correlators.
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