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Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres
More than 50 years ago, John Bell proved that no theory of nature that obeys locality and realism can reproduce all the predictions of quantum theory: in any local-realist theory, the correlationsExpand
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Experimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km
B. Hensen, 2 H. Bernien, 2, ∗ A.E. Dréau, 2 A. Reiserer, 2 N. Kalb, 2 M.S. Blok, 2 J. Ruitenberg, 2 R.F.L. Vermeulen, 2 R.N. Schouten, 2 C. Abellán, W. Amaya, V. Pruneri, M.W. Mitchell, 4 M. Markham,Expand
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Realistic parameter regimes for a single sequential quantum repeater node
Quantum key distribution allows for the generation of a secret key between distant parties connected by a quantum channel such as optical fibre or free space. Unfortunately, the rate of generation ofExpand
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Loophole-free Bell test using electron spins in diamond: second experiment and additional analysis
The recently reported violation of a Bell inequality using entangled electronic spins in diamonds (Hensen et al., Nature 526, 682–686) provided the first loophole-free evidence against local-realistExpand
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Key rates for quantum key distribution protocols with asymmetric noise
We consider the asymptotic key rates achieved in the simplest quantum key distribution protocols, namely the BB84 and the six-state protocols, when non-uniform noise is present in the system. WeExpand
From the first loophole-free bell test to a quantum Internet
In July 2015 we observed the first Bell inequality violation with all experimental loopholes closed. We discuss this experiment as well as new results on the road towards a large-scale quantumExpand