Proposal for a cumulant-based Bell test for mesoscopic junctions
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Physical Review B. 2011, 83(12). ISSN 1098-0121. Available under: doi: 10.1103/PhysRevB.83.125304
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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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BEDNORZ, 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.83.125304BibTex
@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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