Abstract

The precision of measurements for two incompatible observables is limited due to the uncertainty principle; however, it can be improved with the assistance of quantum memory. In article number 1800208, by considering that a particle is initially entangled with the quantum memory in flat Minkowski space–time, and then the quantum memory freely falls toward a Garfinkle–Horowitz–Strominger (GHS) dilation black hole and locates near the event horizon, Zuo-Yuan Zhang and co-workers investigate the quantum-memory-assisted entropic uncertainty relation for Dirac particles in GHS dilation space–time.

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