Temporal steering inequality

Yueh Nan Chen, Che Ming Li, Neill Lambert, Shin Liang Chen, Yukihiro Ota, Guang Yin Chen, Franco Nori

研究成果: Article同行評審

39 引文 斯高帕斯(Scopus)

摘要

Quantum steering is the ability to remotely prepare different quantum states by using entangled pairs as a resource. Very recently, the concept of steering has been quantified with the use of inequalities, leading to substantial applications in quantum information and communication science. Here, we highlight that there exists a natural temporal analog of the steering inequality when considering measurements on a single object at different times. We give nontrivial operational meaning to violations of this temporal inequality by showing that it is connected to the security bound in the Bennett-Brassard 1984 protocol and thus may have applications in quantum communication.

原文English
文章編號032112
期刊Physical Review A - Atomic, Molecular, and Optical Physics
89
發行號3
DOIs
出版狀態Published - 2014 三月 10

All Science Journal Classification (ASJC) codes

  • 原子與分子物理與光學

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