Magnetoresistance and transistor-like behavior of double quantum dots connected to ferromagnetic and superconductor leads

Details Magnetoresistance and transistor-like behavior of double quantum dots connected to ferromagnetic and superconductor leads Magnetoresistance and transistor-like behavior of double quantum dots connected to ferromagnetic and superconductor leads

2010-03-18

arxiv.org/abs/1003.3688v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

In this article we have studied electrical current and magnetoresistance of the (F1,F2)-QDa-QDb-S system. We have found that the signal of the magnetoresistance can be changed through the external potential applied in the ferromagnets. In addition, it is possible to control the current of the first ferromagnet (F1) through the potential applied in the second one (F2). This transistor-like behavior can be useful in future technological applications.

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