期刊
PHYSICAL REVIEW A
卷 86, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.86.022311
关键词
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资金
- Austrian FWF [P21947N16]
- ERC
- Heilbronn Institute for Mathematical Research
- SoMoPro program
- European Community within the Seventh Framework Program [229603]
- COST action [MP1006]
- Austrian Science Fund (FWF) [P 21947] Funding Source: researchfish
We investigate correlations among complementary observables. In particular, we show how to take advantage of mutually unbiased bases for the efficient detection of entanglement in arbitrarily high-dimensional, multipartite, and continuous-variable quantum systems. The introduced entanglement criteria are relatively easy to implement experimentally since they require only a few local measurement settings. In addition, we establish a link between the separability problem and the maximum number of mutually unbiased bases-opening an additional avenue in this long-standing open problem.
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