Spin transport in a chain of polygonal quantum rings with Dresselhaus spin-orbit coupling

被引：1
|
作者：
Tang, Han-Zhao [1 ]
Yao, Xiao-Teng [2 ,3 ]
Liu, Jian-Jun [2 ,3 ,4 ]
机构：
[1] Shijiazhuang Tiedao Univ, Dept Math & Phys, Shijiazhuang 050043, Hebei, Peoples R China
[2] Hebei Normal Univ, Phys Dept, Shijiazhuang 050024, Hebei, Peoples R China
[3] Hebei Normal Univ, Hebei Adv Thin Film Lab, Shijiazhuang 050024, Hebei, Peoples R China
[4] Shijiazhuang Univ, Phys Dept, Shijiazhuang 050035, Hebei, Peoples R China
来源：
CHINESE PHYSICS B | 2017年 / 26卷 / 11期
基金：
中国国家自然科学基金;
关键词：
quantum ring chain; Dresselhaus spin-orbit coupling; spin transport; MAGNETIC-FIELD; RASHBA;
D O I：
10.1088/1674-1056/26/11/117203
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using a transfer matrix method, we investigate spin transport through a chain of polygonal rings with Dresselhaus spin-orbit coupling (DSOC). The spin conductance is dependent on the number of sides in the polygons. When DSOC is considered in a chain which also has Rashba spin-orbit coupling (RSOC) of the same magnitude, the total conductance is the same as that for the same chain with no SOC. However, when the two types of SOC have different values, there results a unique anisotropic conductance.
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页数：5
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