Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair
WANG Ya-Hong1,2, YU Chang-Shui¹, SONG He-Shan1
¹Department of Physics, Dalian University of Technology, Dalian 116024
²School of Information Science and Engineering, Institute of Light Industry, Dalian 116034
Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair
WANG Ya-Hong1,2;YU Chang-Shui¹;SONG He-Shan1
¹Department of Physics, Dalian University of Technology, Dalian 116024
²School of Information Science and Engineering, Institute of Light Industry, Dalian 116034
Abstract： We present a scheme for perfectly teleporting an arbitrary and unknown N-particle GHZ-class state from a sender to a receiver. We just need one quantum channel composed of two or three particles in the maximally entangled state. The sender performs one Bell-state measurement on two of her particles and N-1 Hadamard operations and N-1 von Neumann measurements on the rest N-1 particles. The receiver adopts one corresponding unitary transformation on his particles shared with the sender. After that, the receiver can obtain the original N-particle GHZ-class state by introducing N-1 ancillary particles and carrying out N-1 controlled-NOT operations. We also generalize the scheme to the case of controlled teleportation.
WANG Ya-Hong;YU Chang-Shui⊃SONG He-Shan. Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair[J]. 中国物理快报, 2006, 23(12): 3142-3144.
WANG Ya-Hong, YU Chang-Shui&sup, SONG He-Shan. Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair. Chin. Phys. Lett., 2006, 23(12): 3142-3144.
2006, Vol. 23 
