Robustness versus sensitivity in non-Hermitian topological lattices probed by pseudospectra
Non-Hermitian topological systems simultaneously possess two antagonistic features: ultrasensitivity due to exceptional points and robustness of topological zero-energy modes, and it is unclear which one prevails under different perturbations. We study that question by applying the pseudospectrum th...
Main Authors: | Ioannis Komis, Dimitrios Kaltsas, Shiqi Xia, Hrvoje Buljan, Zhigang Chen, Konstantinos G. Makris |
---|---|
Format: | Article |
Language: | English |
Published: |
American Physical Society
2022-12-01
|
Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.4.043219 |
Similar Items
-
Computation of Pseudospectra
by: Trefethen, L
Published: (1999) -
On Pseudospectra and Power Growth
by: Ransford, T
Published: (2006) -
Topological protection in non-Hermitian Haldane honeycomb lattices
by: Pablo Reséndiz-Vázquez, et al.
Published: (2020-03-01) -
Eigenvalues and Pseudospectra of Rectangular Matrices
by: Wright, T, et al.
Published: (2001) -
Pseudospectra of holographic quasinormal modes
by: Daniel Areán, et al.
Published: (2023-12-01)