Quantum Byzantine agreement method based on tripartite participation
A Byzantine and agreement technology, applied in the field of quantum Byzantine agreement based on the participation of three parties, can solve the problems of low detection efficiency, high cost of discrete variable quantum state preparation, and difficult realization
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[0036] Such as figure 2 Shown is the method flowchart of the method of the present invention: the quantum Byzantine agreement method based on the participation of three parties provided by the present invention specifically includes the following steps:
[0037] Such as figure 1 As shown, the three participants C (broadcaster), A and B (both receivers) share the three-mode continuous variable quantum unweighted graph state, and the broadcaster sends the information |α c > Sent to receivers A and B, the information received by A and B is |α ac > and |α bc >, and then the two receivers exchange the information they received from the sender, compare and finally confirm the accuracy and authenticity of the sent information:
[0038] Broadcaster C, receivers A and B, share a three-mode continuous variable quantum unweighted graph state, expressed as follows:
[0039]
[0040]
[0041]
[0042] in is the quadrature amplitude component of the i-th mode, e r Indicates...
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