1. Network controlled teleportation ofN-qubit state
- Author
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Wen-Xue Chen, Ming-Liang Hu, and Xiu-Lao Tian
- Subjects
Physics ,Series (mathematics) ,Data_CODINGANDINFORMATIONTHEORY ,Quantum Physics ,State (functional analysis) ,Teleportation ,Atomic and Molecular Physics, and Optics ,Computer Science::Emerging Technologies ,Greenberger–Horne–Zeilinger state ,Superdense coding ,Hadamard transform ,Qubit ,Quantum mechanics ,Quantum teleportation - Abstract
By employing the tensor analysis technique, we propose three schemes of controlled teleportation: series controlled, circular controlled and network controlled teleportation. We discuss the necessary and sufficient condition for realizing these schemes, in which we use a general two-qubit entangled state instead of the GHZ state as the communication channel. This enables successful implementation of teleportation without using the Hadamard operation.
- Published
- 2010
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