Spin pumping into carbon nanotubes

被引：1

作者：

Fukuzawa, K. ^{[1
]}

Kato, T. ^{[1
]}

Matsuo, M. ^{[2
,3
,4
,5
]}

Jonckheere, T. ^{[6
]}

Rech, J. ^{[6
]}

Martin, T. ^{[6
]}

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwa 2778581, Japan

[2] Univ Chinese Acad Sci, Kavli Inst Theoret Sci, Beijing 100190, Peoples R China

[3] Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100190, Peoples R China

[4] Adv Sci Res Ctr, Japan Atom Energy Agcy, Tokai 3191195, Japan

[5] RIKEN Ctr Emergent Matter Sci CEMS, Wako, Saitama 3510198, Japan

[6] Univ Toulon & Var, Aix Marseille Univ, CNRS, CPT,IPhU,AMUtech, Marseille, France

来源：

PHYSICAL REVIEW B | 2023年 / 108卷 / 13期

基金：

日本学术振兴会;

关键词：

BOSONIZATION;

D O I：

10.1103/PhysRevB.108.134429

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We theoretically study spin pumping from a ferromagnetic insulator (FI) into a carbon nanotube (CNT). By employing the bosonization method, we formulate the Gilbert damping induced by the FI/CNT junction, which can be measured by ferromagnetic resonance. We show that the increase in the Gilbert damping has a temperature dependence characteristic of a Luttinger liquid and is highly sensitive to the Luttinger parameter of the spin sector for a clean interface. We also discuss the experimental relevance of our findings based on numerical estimates, using realistic parameters.

引用

页数：9

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