The Bell bases decomposition of a general N-qubit state Teleportation through a non-maximally entangled quantum channel

Details The Bell bases decomposition of a general N-qubit state Teleportation through a non-maximally entangled quantum channel The Bell bases decomposition of a general N-qubit state Teleportation through a non-maximally entangled quantum channel

2007-02-15

arxiv.org/abs/quant-ph/0702150v2

Physics

Quantum Physics

Comments are welcome; txl@xiyou.edu.cn

Scientific paper

We propose a method of the Bell bases decomposition to teleport an arbitrary unknown N-qubit state through a nonmaximally entangled quantum channel, and give the universal decomposition matrix of N-qubit. Using the decomposition matrix, we can easily obtain the collapsed state at the receiver site. The inverse matrix that the decomposition matrix is just the transformation matrix that the receiver can manipulate. The decomposition matrix is a function of the parameters of the quantum channel. After defining the sub-matrix of the quantum channel, we find that the decomposition matrix is a tensor product of the sub-matrixes.

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