Publikation:

Proposal for a cumulant-based Bell test for mesoscopic junctions

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2011

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http://nbn-resolving.de/urn:nbn:de:bsz:352-161702
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https://doi.org/10.1103/PhysRevB.83.125304
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Physical Review B. 2011, 83(12). ISSN 1098-0121. Available under: doi: 10.1103/PhysRevB.83.125304

Zusammenfassung

The creation and detection of entanglement in solid state electronics is of fundamental importance for quantum information processing. We prove that second-order quantum correlations can be always interpreted classically and propose a general test of entanglement based on the violation of a classically derived inequality for continuous variables by fourth-order quantum correlation functions. Our scheme provides a way to prove the existence of entanglement in a mesoscopic transport setup by measuring higher order cumulants without requiring the additional assumption of a single-charge detection.

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530 Physik

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ISO 690BEDNORZ, Adam, Wolfgang BELZIG, 2011. Proposal for a cumulant-based Bell test for mesoscopic junctions. In: Physical Review B. 2011, 83(12). ISSN 1098-0121. Available under: doi: 10.1103/PhysRevB.83.125304
BibTex
@article{Bednorz2011Propo-16170,
  year={2011},
  doi={10.1103/PhysRevB.83.125304},
  title={Proposal for a cumulant-based Bell test for mesoscopic junctions},
  number={12},
  volume={83},
  issn={1098-0121},
  journal={Physical Review B},
  author={Bednorz, Adam and Belzig, Wolfgang}
}
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