Figure 6.

The spin current versus the magnetic flux ϕ for different φR . (a) α = 0.5 and (b) α = 1.0. Other parameters are ε1 = ε2 = 0, tc = 0.5, PL = −PR = 1.0

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