Spin magnetoconductance in the mesoscopic spin-interferometer

被引：8
|
作者：
Aldea, A
Tolea, M
Zittartz, J
机构：
[1] Natl Inst Mat Phys, Bucharest, Romania
[2] Univ Cologne, Inst Theoret Phys, D-50923 Cologne, Germany
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2005年 / 28卷 / 02期
关键词：
mesoscopic transport; Aharonov-Bohm ring; 2D quantum dot; spin magnetoconductance;
D O I：
10.1016/j.physe.2005.03.013
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We investigate the properties of the electron spin-transmission through an Aharonov-Bohm interferometer with an embedded two-dimensional (2D) multilevel quantum dot containing magnetic impurities. A suitable formalism is developed. The amplitude and the phase of the flip- and non-flip-transmittances are calculated numerically as function of the magnetic field. The effects induced by the exchange interaction and those arising from the 2D character of the dot are shown. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：191 / 202
页数：12
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