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- Space Research InstituteRU342 papers
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14 papers · 2 filters
Quantum theory from rules on information acquisition
Philipp A Hoehn
We summarise a recent reconstruction of the quantum theory of qubits from rules constraining an observer's acquisition of information about physical systems. This review of [arXiv:…
Demonstrating an absolute quantum advantage in direct absorption measurement
Paul-Antoine Moreau, Javier Sabines-Chesterking, Rebecca Whittaker +5
Engineering apparatus that harness quantum theory offers practical advantages over current technology. A fundamentally more powerful prospect is the long-standing prediction that s…
Quantifying the Momentum Correlation between Two Light Beams by Detecting One
Armin Hochrainer, Mayukh Lahiri, Radek Lapkiewicz +2
We report a measurement of the transverse momentum correlation between two photons by detecting only one of them. Our method uses two identical sources in an arrangement, in which…
Quantum State Transfer via Noisy Photonic and Phononic Waveguides
Benoît Vermersch, Pierre-Olivier Guimond, Hannes Pichler +1
We describe a quantum state transfer protocol, where a quantum state of photons stored in a first cavity can be faithfully transferred to a second distant cavity via an infinite 1D…
Cosmic Bell Test: Measurement Settings from Milky Way Stars
Johannes Handsteiner, Andrew S. Friedman, Dominik Rauch +17
Bell's theorem states that some predictions of quantum mechanics cannot be reproduced by a local-realist theory. That conflict is expressed by Bell's inequality, which is usually d…
Entanglement by Path Identity
Mario Krenn, Armin Hochrainer, Mayukh Lahiri +1
Quantum entanglement is one of the most prominent features of quantum mechanics and forms the basis of quantum information technologies. Here we present a novel method for the crea…