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Optimal probabilistic teleportation of an unknown N-level qudit via information extraction |
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| Affiliation: | Physics Division, National Center of Theoretical Sciences, Hsinchu 300, Taiwan, ROC |
| Abstract: | In this Letter, we consider the optimal probabilistic teleportation in N-level qudit via information extraction. We also argue that the purification scheme via entanglement swapping cannot achieve optimal efficiency in N-qubit case when N is larger than 2. |
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