Publikation: Generation of spin entanglement in nonequilibrium quantum dots
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2007
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Physical Review / B. 2007, 76, 85335. Available under: doi: 10.1103/PhysRevB.76.085335
Zusammenfassung
We propose schemes for generating spatially-separated spin entanglement in systems of two quantum dots with onsite Coulomb repulsion weakly coupled to a joint electron reservoir. An enhanced probability for the formation of spin entanglement is found in nonequilibrium situations with one extra electron on each dot, either in the transient state after rapid changes of the gate voltage, or in the steady state with applied bias voltage. In both cases so-called Werner states with with spin singlet fidelity exceeding 1/2 are generated, which indicates entanglement.
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530 Physik
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Electron spin, Quantum dots, Quantum entanglement
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LEGEL, Stefan, Jürgen KÖNIG, Guido BURKARD, Gerd SCHÖN, 2007. Generation of spin entanglement in nonequilibrium quantum dots. In: Physical Review / B. 2007, 76, 85335. Available under: doi: 10.1103/PhysRevB.76.085335BibTex
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title={Generation of spin entanglement in nonequilibrium quantum dots},
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journal={Physical Review / B},
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