Quantum secure direct communication with Greenberger--Horne--Zeilinger-type state (GHZ state) over noisy channels

张小龙, 张月霞, 魏华

Zhang Xiao-Long(张小龙), Zhang Yue-Xia(张月霞), and Wei Hua(魏华)

中国物理B . 2009, (2): 435 -439 . DOI: 10.1088/1674-1056/18/2/010