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Teleportation of an Unknown Quantum State via Partly Entangled States |
FENG Xun-Li;GONG Shang-Qing;WANG Zhong-Yang;XU Zhi-Zhan |
Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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Cite this article: |
FENG Xun-Li, GONG Shang-Qing, WANG Zhong-Yang et al 2000 Chin. Phys. Lett. 17 703-704 |
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Abstract 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 difficult to prepare such states in practice, and real entangled states are always partly entangled. We present a scheme to teleport an unknown quantum state using two partly entangled states. We show that the teleportation can be realized with a certain probability.
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Keywords:
03.65.Bz
03.67.-a
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Published: 01 October 2000
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