摘要
A multi-sender-controlled quantum teleportation scheme is proposed to teleport several secret quan- tum states from different senders to a distance receiver based on only one Einstein-Podolsky-Rosen (EPR) pair with controlled-NOT (CNOT) gates.In the present scheme,several secret single-qubit quantum states are encoded into a multi-qubit entangled quantum state.Two communication modes,i.e.,the detecting mode and the message mode,are employed so that the eavesdropping can be detected easily and the teleported message may be recovered efficiently.It has an advantage over teleporting several different quantum states for one scheme run with more efficiency than the previous quantum teleportation schemes.
基金
supported by National Natural Science Foundation of China under Grant Nos.60472018,60773085,and 60773012
Natural Science Foundation of Hunan Province under Grant No.07JJ3128
Postdoctoral Science Foundation of China under Grant No.20070420184
in part by Ministry of Information and Communication (MIC) under the IT Foreign Specialist Inviting Program (ITFSIP) supervised by IIFA and ITIC supervised by IITA,Korea Research Foundation KRF-2007-521-D00300,and C1012-0001
