Abstract
We propose a scheme to deterministically realize N-qubit GHZ state measurement and discrimination. The scheme is simple and efficient in the senses that only controlled-not operations and single-qubit measurement are needed.
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Xu, QJ. Deterministic N-Qubit GHZ State Discrimination with Controlled-Not Operations. Int J Theor Phys 48, 1415–1421 (2009). https://doi.org/10.1007/s10773-008-9911-y
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DOI: https://doi.org/10.1007/s10773-008-9911-y