Carrollian Holography from the Flat Limit of AdS/CFT

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• Romain Ruzziconi, Oxford University
• Thursday 06 February 2025, 13:00-14:00
• Potter Room (B1.19).

If you have a question about this talk, please contact md989.

Carrollian holography proposes that gravity in four-dimensional (4d) asymptotically flat spacetime is dual to a three-dimensional (3d) Carrollian CFT living at null infinity. In this talk, I will review this framework and explain how massless amplitudes in flat space can be re-expressed as Carrollian CFT correlators at the boundary, referred to as Carrollian amplitudes. I will show that these correlators naturally emerge from the Carrollian limit of holographic CFT correlators computed via AdS Witten diagrams, establishing a correspondence between the flat space limit in the bulk and the Carrollian limit at the boundary. As a concrete application, I will briefly discuss the flat/Carrollian limit of the duality between 11d supergravity on AdS_4xS^7 and the 3d ABJM theory.

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

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