摘要
We present a scheme for remotely preparing a state via the controls of many agents in a network.In thescheme,the agents' controls are achieved by utilizing quantum key distribution.Generally,the original state can berestored by the receiver with probability 1/2 if all the agents collaborate.However,for certain type of original states therestoration probability is unit.
基金
Supported by the program for New Century Excellent Talents at the University of China under Grant No.NCET-06-0554
the National Natural Science Foundation of China under Grant Nos.60677001,50672001,10874122,and 10747146
the Science-Technology Fund of Anhui Province for Outstanding Youth under Grant No.06042087
the Key Fund of the Ministry of Education of China under Grant No.206063
the Natural Science Foundation of Guangdong Province under Grant Nos.06300345 and 7007806
