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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Algebraic ER=EPR and complexity transfer

## Algebraic ER=EPR and complexity transferAdd to your list(s) Download to your calendar using vCal - Netta Engelhardt (Massachusetts Institute of Technology)
- Tuesday 28 November 2023, 16:30-17:30
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact nobody. BLHW03 - Bridges between holographic quantum information and quantum gravity I will give an algebraic definition of ER=EPR in the semiclassical limit, which associates bulk spacetime connectivity/disconnectivity to the operator algebraic structure of a quantum gravity system. I’ll also give an independent definition of a quantum wormhole as part of the proposal. This algebraic version of ER=EPR sheds light on a recent puzzle regarding spacetime disconnectivity in holographic systems despite large entanglement. We discuss the emergence of quantum connectivity in the context of black hole evaporation and further argue that at the Page time, the black hole-radiation system undergoes a transition involving the transfer of an emergent type III1 subalgebra of high complexity operators from the black hole to radiation. This turns out to be a general phenomenon that occurs whenever there is an exchange of dominance between twocompeting quantum extremal surfaces. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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