期刊
PHYSICAL REVIEW A
卷 87, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.87.062103
关键词
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资金
- DARPA DSO InPho Grant [W911NF-10-1-0404]
- ARO [W911NF-09-1-0385]
- NSF [PHY-1203931]
- Future Emerging Technologies FET-Open Program, within the 7th Framework Programme of the European Commission [255914]
- CNPq
- CAPES
- FAPERJ
- INCT-Informacao Quantica
- ARC [DECRA DE120100559]
We use entropic uncertainty relations to formulate inequalities that witness Einstein-Podolsky-Rosen (EPR)steering correlations in diverse quantum systems. We then use these inequalities to formulate symmetric EPR-steering inequalities using the mutual information. We explore the differing natures of the correlations captured by one-way and symmetric steering inequalities and examine the possibility of exclusive one-way steerability in two-qubit states. Furthermore, we show that steering inequalities can be extended to generalized positive operator-valued measures, and we also derive hybrid steering inequalities between alternate degrees of freedom.
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