Magnetoelectric response of the time-reversal invariant helical metal

被引：51

作者：

Garate, Ion ^{[1
,2
]}

Franz, M. ^{[1
]}

机构：

[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[2] Canadian Inst Adv Res, Toronto, ON M5G 1Z8, Canada

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 17期

基金：

加拿大自然科学与工程研究理事会;

关键词：

WEAK FERROMAGNETISM;

D O I：

10.1103/PhysRevB.81.172408

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We derive compact analytical expressions for the coupled spin-charge susceptibility of a clean helical metal at the surface of a three-dimensional topological insulator (TI). These expressions lead to unconventional noncollinear Ruderman-Kittel-Kasuya-Yoshida interactions between two impurity magnetic moments placed on the surface of a TI and predict the generation of electric currents by time-dependent magnetic moments. We determine the influence of gate and bias voltages on the interlayer exchange coupling between two singledomain ferromagnetic monolayers deposited on top of a TI.

引用

页数：4

共 25 条

[1] RUDERMAN-KITTEL COUPLING BETWEEN FERROMAGNETS SEPARATED BY A NONMAGNETIC LAYER [J].

BALTENSPERGER, W ;

HELMAN, JS .

APPLIED PHYSICS LETTERS, 1990, 57 (27) :2954-2955

[2]

Barlas Y., 2008, THESIS U TEXAS AUSTI

[3] Chirality and correlations in graphene [J].

Barlas, Yafis ;

Pereg-Barnea, T. ;

Polini, Marco ;

Asgari, Reza ;

MacDonald, A. H. .

PHYSICAL REVIEW LETTERS, 2007, 98 (23)

[4]

BISWAS RR, ARXIV09104604

[5] Diluted graphene antiferromagnet [J].

Brey, L. ;

Fertig, H. A. ;

Das Sarma, S. .

PHYSICAL REVIEW LETTERS, 2007, 99 (11)

[6] Theory of spin-charge-coupled transport in a two-dimensional electron gas with Rashba spin-orbit interactions -: art. no. 155308 [J].

Burkov, AA ;

Núñez, AS ;

MacDonald, AH .

PHYSICAL REVIEW B, 2004, 70 (15) :155308-1

[7] A THERMODYNAMIC THEORY OF WEAK FERROMAGNETISM OF ANTIFERROMAGNETICS [J].

DZYALOSHINSKY, I .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1958, 4 (04) :241-255

[8] In-plane noncollinear exchange coupling mediated by helical edge states in quantum spin Hall systems [J].

Gao, Jinhua ;

Chen, Weiqiang ;

Xie, X. C. ;

Zhang, Fu-chun .

PHYSICAL REVIEW B, 2009, 80 (24)

[9] Inverse Spin-Galvanic Effect in the Interface between a Topological Insulator and a Ferromagnet [J].

Garate, Ion ;

Franz, M. .

PHYSICAL REVIEW LETTERS, 2010, 104 (14)

[10] Bias dependence of magnetic exchange interactions: Application to interlayer exchange coupling in spin valves [J].

Haney, Paul M. ;

Heiliger, Christian ;

Stiles, Mark D. .

PHYSICAL REVIEW B, 2009, 79 (05)

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