Spin current through double quantum dots with spin- and time-dependent interdot coupling

被引：7
|
作者：
Wang, Haixia [1 ]
Yin, Wen [1 ]
Wang, Fangwei [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2011年 / 109卷 / 05期
基金：
中国国家自然科学基金;
关键词：
SPINTRONICS;
D O I：
10.1063/1.3554830
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We analyze theoretically the characteristics of electron transport through double quantum dots between which time oscillating and spin-polarization-dependent tunneling occurs. General formulas for the time-averaged current (spin current and charge current) and its differential are obtained by Keldysh nonequilibrium, Green's function, and the transport properties derived from those formulas, can be qualitatively explained by spin-dependent resonant tunneling images. (C) 2011 American Institute of Physics. [doi:10.1063/1.3554830]
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页数：5
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