Discovery of Higher-Order Nodal Surface Semimetals

H Qiu, Y Li, Q Zhang, C Qiu - Physical Review Letters, 2024 - APS
The emergent higher-order topological insulators significantly deepen our understanding of
topological physics. Recently, the study has been extended to topological semimetals …

Higher-order topology in twisted multilayer systems: a review

C Hua, DH Xu - arXiv preprint arXiv:2410.15643, 2024 - arxiv.org
In recent years, there has been a surge of interest in higher-order topological phases
(HOTPs) across various disciplines within the field of physics. These unique phases are …

Crossed real nodal-line phonons in gold monobromide

Y Han, Y Liu, C Cui, CC Liu, ZM Yu - Physical Review B, 2024 - APS
Space-time inversion symmetry can generate intriguing types of spinless excitations in
crystalline materials. Here, we propose a topological phase protected by space-time …

Disorder-induced phase transitions in higher-order nodal-line semimetals

YR Ding, Z Gong, DH Xu, CZ Chen - Physical Review B, 2024 - APS
Higher-order nodal line semimetals represent a recently proposed topological semi-metal
class that harbors bulk nodal lines and features gapless hinge Fermi arc excitations …

Helical corner states in continuous topological interface states in a topological crystalline insulator

J Li, CX Deng, ZX Huang, J Huang, X Wang… - Physical Review Applied, 2024 - APS
Recent higher-order topological insulators in topological crystalline insulators that go
beyond the conventional bulk-edge correspondence principle have drawn extensive …

Breakdown of boundary criticality and exotic topological semimetals in -invariant systems

H Wu, JH An - arXiv preprint arXiv:2409.05437, 2024 - arxiv.org
It was recently found that, going beyond the tendfold Altland-Zirnbauer symmetry classes
and violating the bulk-boundary correspondence of the usual topological phases, PT …

Realization of a three-dimensional photonic higher-order topological insulator

Z Wang, Y Meng, B Yan, D Zhao, L Yang… - arXiv preprint arXiv …, 2024 - arxiv.org
The discovery of photonic higher-order topological insulators (HOTIs) has significantly
expanded our understanding of band topology and provided unprecedented lower …