Photonic Hall effect and helical <italic style="font-style: italic">Zitterbewegung</italic> in a synthetic Weyl system

Weimin Ye; Yachao Liu; Jianlong Liu; Simon A. R. Horsley; Shuangchun Wen; Shuang Zhang

doi:10.1038/s41377-019-0160-z

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Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system

Article

- Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system
- Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system
- LSA 2019年8卷第3期页码：429-436
- Affiliations：
  
  1.College of Advanced Interdisciplinary Studies, National University of Defense Technology, 410073, Changsha, China
  2.Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, 410082, Changsha, China
  3.School of Physics & Astronomy, University of Birmingham, Birmingham, B15 2TT, UK
  4.Department of Physics, Harbin Institute of Technology, 150001, Harbin, China
  5.Department of Physics and Astronomy, University of Exeter, Exeter, EX4 4QL, UK
- Author bio：
  
  Shuangchun Wen (scwen@hnu.edu.cn)
  Shuang Zhang (s.zhang@bham.ac.uk)
- Funds：
- DOI：10.1038/s41377-019-0160-z
  中图分类号：
- 纸质出版日期：2019，
  
  网络出版日期：2019-05-29，
  
  收稿日期：2018-12-09，
  
  修回日期：2019-04-09，
  
  录用日期：2019-05-06
- Accepted：
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Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system[J]. LSA, 2019,8(3):429-436.

Ye, W. M. et al. Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system. Light: Science & Applications, 8, 429-436 (2019).
Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system[J]. LSA, 2019,8(3):429-436. DOI： 10.1038/s41377-019-0160-z.

Ye, W. M. et al. Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system. Light: Science & Applications, 8, 429-436 (2019). DOI： 10.1038/s41377-019-0160-z.

摘要

Abstract

Systems supporting Weyl points have gained increasing attention in condensed physics

photonics and acoustics due to their rich physics

such as Fermi arcs and chiral anomalies. Acting as sources or drains of Berry curvature

Weyl points exhibit a singularity of the Berry curvature at their core. It is

therefore

expected that the induced effect of the Berry cur

vature can be dramatically enhanced in systems supporting Weyl points. In this work

we construct synthetic Weyl points in a photonic crystal that consists of a honeycomb array of coupled rods with slowly varying radii along the direction of propagation. The system possesses photonic Weyl points in the synthetic space of two momenta plus an additional physical parameter with an enhanced Hall effect resulting from the large Berry curvature in the vicinity of the Weyl point. Interestingly

a helical

Zitterbewegung

(ZB) is observed when the wave packet traverses very close to a Weyl point

which is attributed to the contribution of the non-Abelian Berry connection arising from the near degenerate eigenstates.

关键词

Keywords

references

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Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system

Photonic Hall effect and helical Zitterbewegung in a synthetic Weyl system

DOI：10.1038/s41377-019-0160-z

摘要

Abstract

关键词

Keywords

references