Figure 5.

Images of spin-polarized AR current current as a function of QD levels ε1 and ε2 (Color on line). (a) α = −0.5 and (b) α = 0.5. Other parameters are ϕ=0, φR = 0, tc = 0.5, and PL = PR = 0.4.

Bai et al. Nanoscale Research Letters 2012 7:670   doi:10.1186/1556-276X-7-670
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