Spin-Dependent Electron Interferometers

被引：0
|
作者：
U. Zülicke
机构：
[1] Massey University,Institute of Fundamental Sciences
来源：
Journal of Superconductivity | 2005年 / 18卷
关键词：
magnetless spin electronics; Rashba spin splitting; electronic Mach-Zehnder {inter-ferometer}; quantum logical gate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We have studied theoretically the interplay between quantum interference and spin-orbit coupling in electron interferometers realized in semiconductor nanostructures. The correlation between spin quantization axis and propagation direction for electrons with fixed energy results in the appearance of spin-dependent interference fringes. We apply the spin-resolved scattering formalism to calculate transport in electronic versions of Young’s double-slit interferometer and the Mach-Zehnder interferometer. The possibility to tune spin-orbit coupling of the Rashba type using external gate voltages makes it possible to use such interferometer setups for magnet-less spintronics and quantum information processing.
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页码：241 / 244
页数：3
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