Quantum logic networks for controlled teleportation of a single particle via W state
Yuan Hong-Chun (袁洪春)ab, Qi Kai-Guo (齐开国)a
a Department of Physics, University of Science and Technology of China, Hefei 230026, China; b Department of Physics, Huaibei Coal Industry Teachers’ College, Huaibei 235000, China
Abstract We discuss the scheme for probabilistic and controlled teleportation of an unknown state of one particle using the general three-particle W state as the quantum channel. The feature of this scheme is that teleportation between two sides depends on the agreement of the third side (Charlie), who may participate the process of quantum teleportation as a supervisor. In addition, we also construct efficient quantum logic networks for implementing the new scheme by means of the primitive operations.
Received: 21 September 2004
Revised: 02 December 2004
Accepted manuscript online:
Yuan Hong-Chun (袁洪春), Qi Kai-Guo (齐开国) Quantum logic networks for controlled teleportation of a single particle via W state 2005 Chinese Physics 14 898
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