When the orbital degree of freedom meets higher-order topology

Jiazheng Li; Meng Xiao

doi:10.1038/s41377-023-01152-z

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When the orbital degree of freedom meets higher-order topology

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- When the orbital degree of freedom meets higher-order topology
- When the orbital degree of freedom meets higher-order topology
- 光：科学与应用 2023年12卷第5期页码：706-707
- Affiliations：
  
  1.Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan, 430072, China
  2.Wuhan Institute of Quantum Technology, Wuhan, 430206, China
- Author bio：
  
  Meng Xiao (phmxiao@whu.edu.cn)
- Funds：
- DOI：10.1038/s41377-023-01152-z
  中图分类号：
- 纸质出版日期：2023-5-31，
  
  网络出版日期：2023-4-28，
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When the orbital degree of freedom meets higher-order topology[J]. 光：科学与应用, 2023,12(5):706-707.

Li, J. Z., & Xiao, M. When the orbital degree of freedom meets higher-order topology. Light: Science & Applications, 12, 706-707 (2023).
When the orbital degree of freedom meets higher-order topology[J]. 光：科学与应用, 2023,12(5):706-707. DOI： 10.1038/s41377-023-01152-z.

Li, J. Z., & Xiao, M. When the orbital degree of freedom meets higher-order topology. Light: Science & Applications, 12, 706-707 (2023). DOI： 10.1038/s41377-023-01152-z.

摘要

Abstract

The orbital degree of freedom (ODoF)

which has a significant impact on exotic quantum states of matter and solid-state materials

has now been combined with higher-order topology. The experimental realization of a photonic p-orbital higher-order topological insulator can lead to exploring a wide range of novel topological phases involving the ODoF.

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Keywords

references

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Benalcazar,W.A.,Bernevig,B.A.&Hughes,T.L.Quantizedelectricmultipoleinsulators.Science357,61–66(2017)..

Zhang,W.X.etal.Low-thresholdtopologicalnanolasersbasedonthesecond-ordercornerstate.Light Sci. Appl.9,109(2020)..

Ota,Y.etal.Photoniccrystalnanocavitybasedonatopologicalcornerstate.Optica.6,786–789(2019)..

Zhang,Y.H.etal.Realizationofphotonicp-orbitalhigher-ordertopologicalinsulators.eLight3,5(2023)..

Ni,X.etal.Observationofhigher-ordertopologicalacousticstatesprotectedbygeneralizedchiralsymmetry.Nat. Mater.18,113–120(2019)..

Efremidis,N.K.etal.Discretesolitonsinphotorefractiveopticallyinducedphotoniclattices.Phys. Rev. E66,046602(2002)..

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