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.
( 92), we obtain ICHSH ≤ 8 − 2[sinθ(sinψ 1 + sinψ 2) + cosψ 1 − cosψ 2] η − 8 + 3[sinθ(sinψ 1 + sinψ 2) + 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.