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Orbital Entanglement and Violation of Bell Inequalities in Mesoscopic Conductors
Open accessAbstract
We propose a spin-independent scheme to generate and detect two-particle entanglement in a mesoscopic normal-superconductor system. A superconductor, weakly coupled to the normal conductor, generates an orbitally entangled state by injecting pairs of electrons into different leads of the normal conductor. The entanglement is detected via violation of a Bell inequality, formulated in terms of zero-frequency current cross correlators. It is shown that the Bell inequality can be violated for arbitrary strong dephasing in the normal conductor.
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Cites
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Violation of Bell Inequalities by Photons More Than 10 km Apart
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Cited by
Reference frames, superselection rules, and quantum information
Bartlett, S. D., Rudolph, T., & Spekkens, R. W. (2007) · Reviews of Modern Physics · doi:10.1103/revmodphys.79.555 · Cited by 827
Cooper pair splitter realized in a two-quantum-dot Y-junction
Hofstetter, L., Csonka, S., Nygård, J., & Schönenberger, C. (2009) · Nature · doi:10.1038/nature08432 · Cited by 517
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Metadata
- Authors
- Samuelsson, P., Sukhorukov, E. V., & Büttiker, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2003-10-09
- Volume
- 91
- Issue
- 15
- Pages
- 157002-157002
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2026139617
- Cited by
- 240
- References
- 8
- FWCI
- 11.18
- Type
- journal article
- Language
- en
- Open access
- green
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