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Title: Device-independent certification of entangled measurements
Authors: Rabelo, R.
Ho, M.
Cavalcanti, D. 
Brunner, N.
Scarani, V. 
Issue Date: 25-Jul-2011
Citation: Rabelo, R., Ho, M., Cavalcanti, D., Brunner, N., Scarani, V. (2011-07-25). Device-independent certification of entangled measurements. Physical Review Letters 107 (5) : -. ScholarBank@NUS Repository.
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 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. © 2011 American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.107.050502
Appears in Collections:Staff Publications

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