A device-independent quantum private query protocol is constructed that remains secure without assuming perfect detectors, addressing an open vulnerability identified in the prior MRT17 protocol.
Hence, based on the state ( 44) and statistical method 2, Bob gets ICHSH = sinθ(sinψ 1 + sinψ 2) + 2 √ 1 4 − ǫ2(cosψ 1 − cosψ 2)
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Device-Independent Quantum Private Query Protocol without the Assumption of Perfect Detectors
A device-independent quantum private query protocol is constructed that remains secure without assuming perfect detectors, addressing an open vulnerability identified in the prior MRT17 protocol.