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10 papers · 2 filters
Rigidity of quantum steering and one-sided device-independent verifiable quantum computation
Alexandru Gheorghiu, Petros Wallden, Elham Kashefi
The relationship between correlations and entanglement has played a major role in understanding quantum theory since the work of Einstein, Podolsky and Rosen (1935). Tsirelson (198…
Quantum hacking: saturation attack on practical continuous-variable quantum key distribution
Hao Qin, Rupesh Kumar, Romain Alléaume
We identify and study a new security loophole in continuous-variable quantum key distribution (CV-QKD) implementations, related to the imperfect linearity of the homodyne detector.…
Optimised resource construction for verifiable quantum computation
Elham Kashefi, Petros Wallden
Recent developments make the possibility of achieving scalable quantum networks and quantum devices closer. From the computational point of view these emerging technologies become…
Non-Local Advantage of Quantum Coherence
Debasis Mondal, Tanumoy Pramanik, Arun Kumar Pati
A bipartite state is said to be steerable if and only if it does not have a single system description, i.e., the bipartite state cannot be explained by a local hidden state model.…
Distributing Secret Keys with Quantum Continuous Variables: Principle, Security and Implementations
Eleni Diamanti, Anthony Leverrier
The ability to distribute secret keys between two parties with information-theoretic security, that is, regardless of the capacities of a malevolent eavesdropper, is one of the mos…
Experimental observation of weak non-Markovianity
Nadja K. Bernardes, Alvaro Cuevas, Adeline Orieux +4
Non-Markovianity has recently attracted large interest due to significant advances in its characterization and its exploitation for quantum information processing. However, up to n…