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Tunable spin manipulation in a quantum dot embedded in an Aharonov-Bohm interferometer
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10.1063/1.3689820
/content/aip/journal/jap/111/5/10.1063/1.3689820
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/5/10.1063/1.3689820
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Figures

Image of FIG. 1.
FIG. 1.

Diagram of a 1-QD Aharonov-Bohm interferometer with spin bias in the leads. denotes a local magnetic flux through the ring of this structure. The phase factor of direct coupling between the leads arises from the contribution of magnetic flux.

Image of FIG. 2.
FIG. 2.

(Color online) The spectra of the average electron occupation number and the spin accumulation in the QD. In (a)-(d), it shows the influence of the shift of QD level on ⟨nσ ⟩ and ⟨ns ⟩. (e)-(f) ⟨nσ ⟩and  ⟨ns ⟩  vs the change of W and ϕ, respectively.

Image of FIG. 3.
FIG. 3.

(Color online) An additional terminal is introduced to this interferometer for analyzing the influence of incoherence process on spin accumulation. Vd denotes the coupling between QD and the additional terminal.

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/content/aip/journal/jap/111/5/10.1063/1.3689820
2012-03-06
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tunable spin manipulation in a quantum dot embedded in an Aharonov-Bohm interferometer
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/5/10.1063/1.3689820
10.1063/1.3689820
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