PT symmetry protected non-Hermitian topological systems

被引：0
|
作者：
C. Yuce
Z. Oztas
机构：
[1] Eskisehir Technical University,Department of Physics
来源：
Scientific Reports | / 8卷
关键词：
Topological Phase; Nodal Superconductors; Gapless System; Complex Energy Eigenvalues; Dirac Point;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study PT symmetry protected topological phase in non-Hermitian 1D and 2D systems. We show that topological phase exist in non-Hermitian PT symmetric systems for both gapped and gapless systems and discuss appearance of exceptional points. We apply our formalism to a complex extension of the SSH model, topological semimetals and nodal superconductors.
引用
收藏
相关论文
共 50 条
  • [41] Floquet topological phases of non-Hermitian systems
    Wu, Hong
    An, Jun-Hong
    [J]. PHYSICAL REVIEW B, 2020, 102 (04)
  • [42] A new way to construct topological invariants of non-Hermitian systems with the non-Hermitian skin effect
    刘建森
    韩炎桢
    刘承师
    [J]. Chinese Physics B, 2020, 29 (01) : 144 - 148
  • [43] A new way to construct topological invariants of non-Hermitian systems with the non-Hermitian skin effect
    Liu, J. S.
    Han, Y. Z.
    Liu, C. S.
    [J]. CHINESE PHYSICS B, 2020, 29 (01)
  • [44] Anyonic PT symmetry, drifting potentials and non-Hermitian delocalization
    Longhi, S.
    Pinotti, E.
    [J]. EPL, 2019, 125 (01)
  • [45] PT-Symmetry of a Non-Hermitian Trimerized Optical Lattice
    Xu, Nan
    Wang, You
    Song, Haizhi
    Zhou, Qiang
    Deng, Guangwei
    [J]. 2019 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP), 2019,
  • [46] Properties of the non-Hermitian SSH model: role of PT symmetry
    Halder, Dipendu
    Ganguly, Sudin
    Basu, Saurabh
    [J]. JOURNAL OF PHYSICS-CONDENSED MATTER, 2023, 35 (10)
  • [47] Real spectra in non-Hermitian Hamiltonians having PT symmetry
    Bender, CM
    Boettcher, S
    [J]. PHYSICAL REVIEW LETTERS, 1998, 80 (24) : 5243 - 5246
  • [48] Universal routes to spontaneous PT-symmetry breaking in non-Hermitian quantum systems
    Schomerus, Henning
    [J]. PHYSICAL REVIEW A, 2011, 83 (03):
  • [49] Topological Correspondence between Hermitian and Non-Hermitian Systems: Anomalous Dynamics
    Lee, Jong Yeon
    Ahn, Junyeong
    Zhou, Hengyun
    Vishwanath, Ashvin
    [J]. PHYSICAL REVIEW LETTERS, 2019, 123 (20)
  • [50] On the η pseudo PT symmetry theory for non-Hermitian Hamiltonians: time-dependent systems
    Maamache, Mustapha
    [J]. PHYSICA SCRIPTA, 2024, 99 (01)
12345