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Entanglement Theory Quantum Correlations
Quantum Foundations
Device-independent certification of entangled measurements
arXiv
Authors: Rafael Rabelo, Melvyn Ho, Daniel Cavalcanti, Nicolas Brunner, Valerio Scarani
Year
2011
Paper ID
8804
Status
Preprint
Abstract Read
~2 min
Abstract Words
70
Citations
N/A
Abstract
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 (CHSH) Bell inequality, checked between each pair of parties. Also, focusing on 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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- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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- We present a device-independent protocol to test if a given black-box measurement device is entangled, that is, has entangled eigenstates.
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