Netta Engelhardt, Geoff Pennington and Arvin Shahbazi-Mogghadam had a paper on arXiv two days ago (the most recent posting*) on quantum extremal surfaces and Python's lunch. Interestingly, it also describes a kind of quantum extremal surface that resembles a de Sitter bifurcation surface.
*Friday, 1st September, most recent since arXiv papers are not announced on weekends.
Twice Upon a Time: Timelike-Separated Quantum Extremal Surfaces [2308.16226]
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