Nanomagnonic Cavities for Strong Spin-Magnon Coupling and Magnon-Mediated Spin-Spin Interactions

被引：61

作者：

Neuman, Tomas ^{[1
]}

Wang, Derek S. ^{[1
]}

Narang, Prineha ^{[1
]}

机构：

[1] Harvard Univ, Harvard John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA

来源：

PHYSICAL REVIEW LETTERS | 2020年 / 125卷 / 24期

基金：

美国国家科学基金会;

关键词：

MAGNETOSTATIC MODES; PLASMONIC NANOANTENNAS; ANTENNAS; QUBITS; STATE;

D O I：

10.1103/PhysRevLett.125.247702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a theoretical approach to use ferromagnetic or ferrimagnetic nanoparticles as microwave nanomagnonic cavities to concentrate microwave magnetic fields into deeply subwavelength volumes similar to 10(-13) mm(3). We show that the field in such nanocavities can efficiently couple to isolated spin emitters (spin qubits) positioned close to the nanoparticle surface reaching the single magnon-spin strong-coupling regime and mediate efficient long-range quantum state transfers between isolated spin emitters. Nanomagnonic cavities thus pave the way toward magnon-based quantum networks and magnon-mediated quantum gates.

引用

页数：5

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