Quantum-gravity effects could in principle be witnessed in neutrino-like oscillations
Quantum-gravity effects could in principle be witnessed in neutrino-like oscillations
Two of us (Marletto and Vedral 2017 Phys. Rev. Lett. 119 240402) recently showed how the quantum character of a physical system, in particular the gravitational field, can in principle be witnessed without directly measuring observables of that system, solely by its ability to mediate entanglement between two other systems. …