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Quantum teleportation is a reversal of quantum measurement
Physical Review Research Pub Date : 2021-08-05 , DOI: 10.1103/physrevresearch.3.033119
Seung-Woo Lee 1 , Dong-Gil Im 2 , Yoon-Ho Kim 2 , Hyunchul Nha 3 , M. S. Kim 4, 5
Affiliation  

We introduce a generalized concept of quantum teleportation in the framework of quantum measurement and reversing operation. Our framework makes it possible to find an optimal protocol for quantum teleportation enabling a faithful transfer of unknown quantum states with maximum success probability up to the fundamental limit of the no-cloning theorem. Moreover, an optimized protocol in this generalized approach allows us to overcome noise in quantum channel beyond the reach of existing teleportation protocols without requiring extra qubit resources. Our proposed framework is applicable to multipartite quantum communications and primitive functionalities in scalable quantum architectures.

中文翻译:

量子隐形传态是量子测量的逆转

我们在量子测量和逆向操作的框架中引入了量子隐形传态的广义概念。我们的框架使找到量子隐形传态的最佳协议成为可能,从而以最大成功概率实现未知量子态的忠实传输,直至达到不可克隆定理的基本极限。此外,这种通用方法中的优化协议使我们能够克服现有隐形传态协议无法达到的量子信道中的噪声,而无需额外的量子比特资源。我们提出的框架适用于可​​扩展量子架构中的多方量子通信和原始功能。
更新日期:2021-08-05
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