Tunable RKKY interaction in a double quantum dot nanoelectromechanical device

被引：6

作者：

Parafilo, A. V. ^{[1
]}

Kiselev, M. N. ^{[1
]}

机构：

[1] Abdus Salam Int Ctr Theoret Phys, Str Costiera 11, I-34151 Trieste, Italy

来源：

PHYSICAL REVIEW B | 2018年 / 97卷 / 03期

基金：

美国国家科学基金会;

关键词：

KONDO; IMPURITIES;

D O I：

10.1103/PhysRevB.97.035418

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We propose a realization of mechanically tunable Ruderman-Kittel-Kasuya-Yosida interaction in a double quantum dot nanoelectromechanical device. The coupling between spins of two quantum dots suspended above a metallic plate is mediated by conduction electrons. We show that the spin-mechanical interaction can be driven by a slow modulation of charge density in the metallic plate. We propose to use Stuckelberg oscillations as a sensitive tool for detection of the spin and charge states of the coupled quantum dots. Theory of mechanical back action induced by a dynamical spin-spin interaction is discussed.

引用

页数：7

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