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Quantum asymmetry of switching in laterally coupled quantum wires with tunable coupling strength
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10.1063/1.2362592
/content/aip/journal/apl/89/15/10.1063/1.2362592
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2362592
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Scanning electron micrograph of the coupled-wire structure, showing color coded directions of current flow (Ref. 14). is applied to the “side” gates and to the “finger” gates. (b) Simple current splitting for . (c) NOT current switching for . (d) Extreme asymmetric switching for . (b)–(d) are at .

Image of FIG. 2.
FIG. 2.

(Color online) (a) Evolution of (dashed) and (continuous) in device A with at various fixed at . (b) Variation of polarization for two different [colors match those in Fig. 2(a)].

Image of FIG. 3.
FIG. 3.

(Color online) Variation of (red) and (blue) with in device at and fixed for two schemes of current flow. (a) Alternate scheme—top-left wire used for current input. (b) Original scheme—top-right wire used for current input.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Temperature evolution of NOT switching in device A at constant . (b) Three dimensional surface plot of polarization as a function of and . Dotted line shows for reference and dashed line shows boundary of the NOT switching (negative polarization). Inset: (dotted line) and (solid line) at (black) and (blue).

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/content/aip/journal/apl/89/15/10.1063/1.2362592
2006-10-13
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantum asymmetry of switching in laterally coupled quantum wires with tunable coupling strength
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2362592
10.1063/1.2362592
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