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Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling
Adrian Holzäpfel, Jean Etesse, Krzysztof T. Kaczmarek +3
Quantum memories with long storage times are key elements in long-distance quantum networks. The atomic frequency comb (AFC) memory in particular has shown great promise to fulfill…
Real Numbers are the Hidden Variables of Classical Mechanics
Nicolas Gisin
Do scientific theories limit human knowledge? In other words, are there physical variables hidden by essence forever? We argue for negative answers and illustrate our point on chao…
Informationally restricted quantum correlations
Armin Tavakoli, Emmanuel Zambrini Cruzeiro, Jonatan Bohr Brask +2
Quantum communication leads to strong correlations, that can outperform classical ones. Complementary to previous works in this area, we investigate correlations in prepare-and-mea…
Physics without Determinism: Alternative Interpretations of Classical Physics
Flavio Del Santo, Nicolas Gisin
Classical physics is generally regarded as deterministic, as opposed to quantum mechanics that is considered the first theory to have introduced genuine indeterminism into physics.…
A neural network oracle for quantum nonlocality problems in networks
Tamás Kriváchy, Yu Cai, Daniel Cavalcanti +3
Characterizing quantum nonlocality in networks is a challenging, but important problem. Using quantum sources one can achieve distributions which are unattainable classically. A ke…
Constraints on nonlocality in networks from no-signaling and independence
Nicolas Gisin, Jean-Daniel Bancal, Yu Cai +5
Generalising the concept of Bell nonlocality to networks leads to novel forms of correlations, the characterization of which is however challenging. Here we investigate constraints…