Extending edge modes with non-Hermitian forcing

被引:0
|
作者
Sheinfux, Hanan Herzig [1 ]
Lustig, Eran [1 ]
Lumer, Yaakov [2 ]
Pltonik, Yonatan [1 ]
Segev, Mordechai [1 ]
机构
[1] Technion Israel Inst Technol, IL-32000 Haifa, Israel
[2] Univ Penn, Dept Elect & Syst Engn, Philadelphia, PA 19104 USA
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We show that introducing asymmetric coupling can force all the modes of a waveguide lattice to localize, except for one topologically protected "edge-state" which becomes extended. This mode has real eigenvalues and retains topological properties.
引用
收藏
页数:2
相关论文
共 50 条
  • [1] Edge Modes, Degeneracies, and Topological Numbers in Non-Hermitian Systems
    Leykam, Daniel
    Bliokh, Konstantin Y.
    Huang, Chunli
    Chong, Y. D.
    Nori, Franco
    [J]. PHYSICAL REVIEW LETTERS, 2017, 118 (04)
  • [2] Topological edge modes in non-Hermitian plasmonic waveguide arrays
    Ke, Shaolin
    Wang, Bing
    Long, Hua
    Wang, Kai
    Lu, Peixiang
    [J]. OPTICS EXPRESS, 2017, 25 (10): : 11132 - 11143
  • [3] Edge theory of non-Hermitian skin modes in higher dimensions
    Zhang, Kai
    Yang, Zhesen
    Sun, Kai
    [J]. PHYSICAL REVIEW B, 2024, 109 (16)
  • [4] Non-Hermitian Edge Burst
    Xue, Wen-Tan
    Hu, Yu-Min
    Song, Fei
    Wang, Zhong
    [J]. PHYSICAL REVIEW LETTERS, 2022, 128 (12)
  • [5] Non-Hermitian Floquet topological superconductors with multiple Majorana edge modes
    Zhou, Longwen
    [J]. PHYSICAL REVIEW B, 2020, 101 (01)
  • [6] Non-Hermitian morphing of topological modes
    Wang, Wei
    Wang, Xulong
    Ma, Guancong
    [J]. NATURE, 2022, 608 (7921) : 50 - +
  • [7] Non-Hermitian morphing of topological modes
    Wei Wang
    Xulong Wang
    Guancong Ma
    [J]. Nature, 2022, 608 : 50 - 55
  • [8] Non-Hermitian Boundary Modes and Topology
    Borgnia, Dan S.
    Kruchkov, Alex Jura
    Slager, Robert-Jan
    [J]. PHYSICAL REVIEW LETTERS, 2020, 124 (05)
  • [9] Non-Hermitian skin effect edge
    Zeng, Qi-Bo
    [J]. PHYSICAL REVIEW B, 2022, 106 (23)
  • [10] Infernal and exceptional edge modes: non-Hermitian topology beyond the skin effect
    Denner, M. Michael
    Neupert, Titus
    Schindler, Frank
    [J]. JOURNAL OF PHYSICS-MATERIALS, 2023, 6 (04):