Snowflake phononic topological insulator at the nanoscale

被引：118

作者：

Brendel, Christian ^{[1
]}

Peano, Vittorio ^{[2
]}

Painter, Oskar ^{[3
,4
]}

Marquardt, Florian ^{[1
,5
]}

机构：

[1] Max Planck Inst Sci Light, Staudtstr 2, D-91058 Erlangen, Germany

[2] Univ Malta, Dept Phys, Msida Msd 2080, Malta

[3] CALTECH, Inst Quantum Informat & Matter, Pasadena, CA 91125 USA

[4] CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USA

[5] Univ Erlangen Nurnberg, Inst Theoret Phys, Staudtstr 7, D-91058 Erlangen, Germany

来源：

PHYSICAL REVIEW B | 2018年 / 97卷 / 02期

基金：

欧盟地平线“2020”;

关键词：

SOUND; FIELDS;

D O I：

10.1103/PhysRevB.97.020102

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We show how the snowflake phononic crystal structure, which recently has been realized experimentally, can be turned into a topological ins ulator for mechanical waves. This idea, based purely on simple geometrical modifications, could be readily implemented on the nanoscale.

引用

页数：5

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