Theory of weak localization in graphene with spin-orbit interaction

被引：1
|
作者：
Golub, L. E. [1 ]
机构：
[1] Univ Regensburg, Terahertz Ctr, D-93040 Regensburg, Germany
来源：
PHYSICAL REVIEW B | 2024年 / 109卷 / 12期
关键词：
MAGNETORESISTANCE;
D O I：
10.1103/PhysRevB.109.L121407
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A theory of weak localization in graphene with Rashba splitting of the energy spectrum is developed. Anomalous magnetoresistance caused by weak localization is calculated accounting for inter- and intravalley, and spin-orbit and spin-valley scattering processes. It is shown that the anomalous magnetoresistance is described by an expression different from the traditional Hikami-Larkin-Nagaoka formula. The reason is that the effect of Rashba splitting gives rise to the spin-orbit vector potential which is not reduced to a spin dephasing only. The developed theory can be applied to heterostructures of graphene with transition metal dichalcogenides.
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页数：5
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