Partial Teleportation of Entanglement in the Noisy Environment

Details Partial Teleportation of Entanglement in the Noisy Environment Partial Teleportation of Entanglement in the Noisy Environment

2000-03-16

arxiv.org/abs/quant-ph/0003060v1

Physics

Quantum Physics

8 pages, 2 figures

Scientific paper

Partial teleportation of entanglement is to teleport one particle of an entangled pair through a quantum channel. This is conceptually equivalent to quantum swapping. We consider the partial teleportation of entanglement in the noisy environment, employing the Werner-state representation of the noisy channel for the simplicity of calculation. To have the insight of the many-body teleportation, we introduce the measure of correlation information and study the transfer of the correlation information and entanglement. We find that the fidelity gets smaller as the initial-state is entangled more for a given entanglement of the quantum channel. The entangled channel transfers at least some of the entanglement to the final state.

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