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Tunable pure spin currents in a triple-quantum-dot ring
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10.1063/1.2838310
/content/aip/journal/apl/92/4/10.1063/1.2838310
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/4/10.1063/1.2838310
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) A schematic of a three-terminal triple-QD ring structure with the local Rashba SO interaction on QD-2 (shaded one). Three QDs and the leads coupling to them are denoted as QD- and lead- with . The currents vs magnetic phase factor as well as the QD level are shown in (b) and (c), respectively. The parameter values are and . In (b), the QD level and in (c), and . The currents without spin flip terms are shown in (b) for comparison. (d) The currents vs in the two-terminal case .

Image of FIG. 2.
FIG. 2.

The spectra of transmission functions . (a) Zero magnetic field case and (b) magnetic phase factor . The domains of integration to calculate the currents are labeled by the arrows.

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/content/aip/journal/apl/92/4/10.1063/1.2838310
2008-01-28
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tunable pure spin currents in a triple-quantum-dot ring
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/4/10.1063/1.2838310
10.1063/1.2838310
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