Spin-orbit effects in a triple quantum dot shuttle

被引：12
|
作者：
Villavicencio, J. [1 ]
Maldonado, I.
Cota, E. [2 ]
Platero, G. [3 ]
机构：
[1] Univ Autonoma Baja California, Fac Ciencias, Ensenada 22800, Baja California, Mexico
[2] Univ Nacl Autonoma Mexico, Ctr Nanociencias & Nanotecnol, Ensenada 22860, Baja California, Mexico
[3] CSIC, Inst Ciencia Mat Madrid, Madrid 28049, Spain
来源：
PHYSICAL REVIEW B | 2013年 / 88卷 / 24期
关键词：
BLOCKADE; STATES;
D O I：
10.1103/PhysRevB.88.245305
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spin transport properties of a triple quantum dot shuttle system are analyzed in the presence of spin-orbit interaction. We calculate the spin current through the device as a function of the bias voltage detuning. We find that new resonances in the current through the shuttle appear due to the presence of spin-orbit interaction, and the states involved in the conduction process are identified. Also, spin current polarization is analyzed as a function of tunnel coupling and detuning, and conditions are found where the device can act as a spin filter.
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页数：6
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