-symmetric non-Hermitian Hopf metal
The Hopf insulator is a representative class of three-dimensional topological insulators
beyond the standard topological classification methods based on K theory. In this Letter, we …
beyond the standard topological classification methods based on K theory. In this Letter, we …
Versatile Braiding of Non-Hermitian Topological Edge States
B Zhu, Q Wang, Y Wang, QJ Wang… - arXiv preprint arXiv …, 2024 - arxiv.org
Among the most intriguing features of non-Hermitian (NH) systems is the capability of their
complex energies to form braids under parametric variation. Several braiding behaviors …
complex energies to form braids under parametric variation. Several braiding behaviors …
Pseudo-Hermitian Topology of Multiband Non-Hermitian Systems
The complex eigenenergies and non-orthogonal eigenstates of non-Hermitian systems
exhibit unique topological phenomena that cannot appear in Hermitian systems …
exhibit unique topological phenomena that cannot appear in Hermitian systems …