Stefan Legel et al 2008 New J. Phys. 10 045016 doi:10.1088/1367-2630/10/4/045016
Generation and detection of a spin entanglement in nonequilibrium quantum dots
Focus on Quantum Correlations in Tailored MatterStefan Legel1, Jürgen König2 and Gerd Schön1,3
Show affiliationsPart of Focus on Quantum Correlations in Tailored Matter
Spin entanglement between two spatially separated electrons can be generated in nonequilibrium interacting quantum dots, coherently coupled to a common lead. In this system entangled two-electron states develop which are Werner states with an imbalance between singlet and triplet probabilities. We propose a multi-terminal, multiply connected set-up for the generation and detection of this imbalance. In particular, we identify a regime in which the formation of spin entanglement leads to a cancellation of Aharonov–Bohm oscillations.
- PACS
- Subjects
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Surfaces, interfaces and thin films
- Dates
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Issue 4 (April 2008)
Received 19 December 2007
Published 30 April 2008
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Generation and detection of a spin entanglement in nonequilibrium quantum dots
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