首页> 中文期刊> 《理论物理通讯:英文版》 >Many-Agent Controlled Teleportation of Multi-qubit Quantum Information via Quantum Entanglement Swapping

Many-Agent Controlled Teleportation of Multi-qubit Quantum Information via Quantum Entanglement Swapping

         

摘要

<正> We present a method to teleport multi-qubit quantum information in an easy way from a sender to areceiver via the control of many agents in a network.Only when all the agents collaborate with the quantum informationreceiver can the unknown states in the sender’s qubits be fully reconstructed in the receiver’s qubits.In our method,agents’s control parameters are obtained via quantum entanglement swapping.As the realization of the many-agentcontrolled teleportation is concerned,compared to the recent method[C.P.Yang,et al.,Phys.Rev.A 70(2004)022329],our present method considerably reduces the preparation difficnlty of initial states and identification difficulty ofentangled states,moreover,it does not need local Hadamard operations and it is more feasible in technology.

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