Hierarchy in temporal quantum correlations

Huan Yu Ku, Shin Liang Chen, Neill Lambert, Yueh Nan Chen, Franco Nori

研究成果: Article同行評審

7 引文 斯高帕斯(Scopus)


Einstein-Podolsky-Rosen (EPR) steering is an intermediate quantum correlation that lies in between entanglement and Bell nonlocality. Its temporal analog, temporal steering, has recently been shown to have applications in quantum information and open quantum systems. Here we show that there exists a hierarchy among the three temporal quantum correlations: temporal inseparability, temporal steering, and macrorealism. Given that the temporal inseparability can be used to define a measure of quantum causality, similarly the quantification of temporal steering can be viewed as a weaker measure of direct cause and can be used to distinguish between direct cause and common cause in a quantum network.

期刊Physical Review A
出版狀態Published - 2018 八月 2

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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