STUCK IN WONDERLAND. “Classical GR governs the interior of an eternal AdS black hole for a tiny fraction of the time. The rare “classical” episodes last for a time ∼ eS and in between them the black hole exists in a vast doubly exponential sea of time, stuck in a state of complexity equilibrium. Very little is known about the geometry of the interior, if indeed it has a geometry, during these periods of equilibrium.” (GR = general relativity).
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