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hep-th2026
A Semiclassical Diagnostic for Spacetime Emergence
Netta Engelhardt, Elliott Gesteau
Recent developments have shown that some semiclassical spacetimes cannot emerge from a traditional application of the rules of holography, prompting proposals for restoring their e…
hep-th2026
A Quantum Singularity Theorem for the Evaporating Black Hole
Netta Engelhardt, Ivri Nagar
We prove a singularity theorem in semiclassical gravity without assuming global hyperbolicity or the null energy/curvature condition; the former is replaced by the weaker causality…