Teleportation of an Unknown Quantum State via Partly Entangled States  

作　　者：FENG Xun-Li Gong Shang-Qing WANG ZHONG-YANG XU Zhi-Zhan 冯勋立;龚尚庆;王中阳;徐至展(Laboratory for High Intensity Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800)

机构地区：[1]Laboratory for High Intensity Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800

出　　处：《Chinese Physics Letters》2000年第10期703-704,共2页中国物理快报（英文版）

基　　金：Supported by the China Postdoctoral Science Foundation,and the Natural Science Foundation of Shanghai(Grant No.99ZA14052).

摘　　要：The teleportation of an unknown quantum state from one observer to another is of great importance in quantum information. In the standard teleportation scheme, a maximally entangled state is demanded. However, it is itficult to prepare such states in practice, and real entangled states are always partly entangled. We present ascheme to teleport an unknown quantum state using two partly entangled states. We show that the teleportationcan be realized with a certain probability.

关 键 词：probability. QUANTUM SCHEME 

分 类 号：O41[理学—理论物理]