Spin Hall effect in a system of Dirac fermions in the honeycomb lattice with intrinsic and Rashba spin-orbit interaction

被引：35
|
作者：
Dyrdal, A. [1 ]
Dugaev, V. K. [2 ,3 ,4 ]
Barnas, J. [1 ,5 ]
机构：
[1] Adam Mickiewicz Univ, Dept Phys, PL-61614 Poznan, Poland
[2] Rzeszow Univ Technol, Dept Phys, PL-35959 Rzeszow, Poland
[3] Univ Tecn Lisboa, Inst Super Tecn, Dept Phys, P-1049001 Lisbon, Portugal
[4] Univ Tecn Lisboa, Inst Super Tecn, CFIF, P-1049001 Lisbon, Portugal
[5] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
来源：
PHYSICAL REVIEW B | 2009年 / 80卷 / 15期
关键词：
SEMICONDUCTORS; GRAPHENE;
D O I：
10.1103/PhysRevB.80.155444
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We consider spin Hall effect in a system of massless Dirac fermions in a graphene lattice. Two types of spin-orbit interaction, pertinent to the graphene lattice, are taken into account-the intrinsic and Rashba terms. Assuming perfect crystal lattice, we calculate the topological contribution to spin Hall conductivity. When both interactions are present, their interplay is shown to lead to some peculiarities in the dependence of spin Hall conductivity on the Fermi level.
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页数：6
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