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quant-ph2012★ 82 cited
Continuous-Variable Quantum Key Distribution with Entanglement in the Middle
Christian Weedbrook
We analyze the performance of continuous-variable quantum key distribution protocols where the entangled source originates not from one of the trusted parties, Alice or Bob, but fr…
quant-ph2012★ 30 cited
A limit formula for the quantum fidelity
Gaetana Spedalieri, Christian Weedbrook, Stefano Pirandola
Quantum fidelity is a central tool in quantum information, quantifying how much two quantum states are similar. Here we propose a limit formula for the quantum fidelity between a m…