Probabilistic Teleportation of a Four-Particle Entangled State

A Scheme for teleporting an unknown four-particle entangled state is proposed via entangled swapping. In this scheme, four pairs of entangled particles are used as quantum channel. It is shown that, if the four pairs of particles are nonmaximally entangled, the teleportation can be successfully realized with certain probability if a receiver adopts some appropriate unitary transformations.

作 者： ZHAN You-Bang FU Hao Dong zheng-chao   作者單位： Department of Physics, Huaiyin Teachers College, Huaian 223001, China  刊 名： 理論物理通訊（英文版）  ISTIC SCI 英文刊名： COMMUNICATIONS IN THEORETICAL PHYSICS  年，卷(期)： 2005 43(1)  分類號(hào)：   關(guān)鍵詞： probabilistic teleportation   four-particle entangled state   entanglement swapping  

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