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gr-qc2022
Semiclassical spacetimes at super-Planckian scales from delocalized sources
Ali Akil, Mariano Cadoni, Leonardo Modesto +2
We derive the gravitational field and the spacetime metric generated by sources in quantum superposition of different locations. We start by working in a Newtonian approximation, i…
quant-ph2022
Quantum superposition of black hole states as a communication resource
Richard Howl, Ali Akil, Hlér Kristjánsson +2
The interplay between black holes and quantum information has revealed deep connections between gravity and quantum mechanics. For example, the classical spacetime geometry of a bl…