A controlled teleportation scheme is presented.In this scheme,quantum information of a single-qubit stateor an entangled two-qubits state is transmitted from a sender (Alice) to a receiver (Charlie) via a four-particl...A controlled teleportation scheme is presented.In this scheme,quantum information of a single-qubit stateor an entangled two-qubits state is transmitted from a sender (Alice) to a receiver (Charlie) via a four-particle clusterstate under the control of the supervisor (Bob).The feature of this scheme is that the teleportation between the senderand the receiver depends on the control of the supervisor.展开更多
基金National Natural Science Foundation of China under Grant No.10404010the Scientific Research Fund of the Educational Department of Jiangxi Province under Grant No.112[2006]the Talent Fund of Jiangxi Normal University under Grant Nos.1186 and 1187
文摘A controlled teleportation scheme is presented.In this scheme,quantum information of a single-qubit stateor an entangled two-qubits state is transmitted from a sender (Alice) to a receiver (Charlie) via a four-particle clusterstate under the control of the supervisor (Bob).The feature of this scheme is that the teleportation between the senderand the receiver depends on the control of the supervisor.
