International Conference on Computer and Electrical Engineering 4th (ICCEE 2011)
72 Spin Rotation and Conductance of Arm-Depended Quantum Nano Ring in the Presence of Rashba Interaction and an Impurity
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Spin rotation and conductance of arm-depended quantum nanoring with one input and two output leads is studied in the presence of Rashba spin-orbit interaction and an impurity. The strength of Rashba parameter can be controlled by a normal electric field. In this work by using the Griffith's boundary condition, we have studied the effect of impurity and the output leads, in different position on the conductance.