Device-independent certification of entangled measurements.

@article{Rabelo2011DeviceindependentCO,
  title={Device-independent certification of entangled measurements.},
  author={R. Rabelo and Melvyn Ho and D. Cavalcanti and N. Brunner and V. Scarani},
  journal={Physical review letters},
  year={2011},
  volume={107 5},
  pages={
          050502
        }
}
  • R. Rabelo, Melvyn Ho, +2 authors V. Scarani
  • Published 2011
  • Physics, Medicine
  • Physical review letters
  • We present a device-independent protocol to test if a given black-box measurement device is entangled, that is, has entangled eigenstates. Our scheme involves three parties and is inspired by entanglement swapping; the test uses the Clauser-Horne-Shimony-Holt Bell inequality, checked between each pair of parties. In the case where all particles are qubits, we characterize quantitatively the deviation of the measurement device from a perfect Bell-state measurement. 

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