We present a scheme for quantum secure direct communication,in which the message is encoded bylocal unitary operations,transmitted through entangled photons,and deduced from both the sender and receiver's localmea...We present a scheme for quantum secure direct communication,in which the message is encoded bylocal unitary operations,transmitted through entangled photons,and deduced from both the sender and receiver's localmeasurement results.In such a scheme,only one pair of entangled photons is consumed,and there is no need to transmitthe sender's qubit carrying the secret message in a public channel,in order to transmit two-bit classical information.展开更多
基金National Natural Science Foundation of China under Grant Nos.10647133 and 10404010the Natural Science Foundation of Jiangxi Province of China under Grant No.0512007the Research Foundation of the Education Department of Jiangxi Province under Grant Nos.[2005]79 and [2007]22
文摘We present a scheme for quantum secure direct communication,in which the message is encoded bylocal unitary operations,transmitted through entangled photons,and deduced from both the sender and receiver's localmeasurement results.In such a scheme,only one pair of entangled photons is consumed,and there is no need to transmitthe sender's qubit carrying the secret message in a public channel,in order to transmit two-bit classical information.
