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gr-qc2024
Gravitational quantum speed limit
Nicola Pranzini, Lorenzo Maccone
While playing an important role in the foundations of quantum theory, Quantum Speed Limits (QSL) have no role in discussions about the search for quantum gravity. We fill this gap…
quant-ph2024★ 1 cited
Interferometric binary phase estimations
Simone Roncallo, Xi Lu, Lorenzo Maccone
We propose an interferometric scheme where each photon returns one bit of the binary expansion of an unknown phase. It sets up a method for estimating the phase value at arbitrary…
quant-ph2024
Complementarity-based complementarity: the choice of mutually unbiased observables shapes quantum uncertainty relations
Laura Serino, Giovanni Chesi, Benjamin Brecht +3
Quantum uncertainty relations impose fundamental limits on the joint knowledge that can be acquired from complementary observables: perfect knowledge of a quantum state in one basi…