Higher-order topological phases in crystalline and non-crystalline systems: a review

YB Yang, JH Wang, K Li, Y Xu - Journal of Physics: Condensed …, 2024‏ - iopscience.iop.org
Higher-order topological phases in crystalline and non-crystalline systems: a review Page 1
Journal of Physics: Condensed Matter ACCEPTED MANUSCRIPT • OPEN ACCESS Higher-order …

Magnetic Second‐Order Topological Insulator: An Experimentally Feasible 2D CrSiTe3

X Wang, XP Li, J Li, C **e, J Wang… - Advanced Functional …, 2023‏ - Wiley Online Library
Abstract 2D second‐order topological insulators (SOTIs) have sparked significant interest,
but currently, the proposed realistic 2D materials for SOTIs are limited to nonmagnetic …

Möbius Insulator and Higher-Order Topology in

RX Zhang, F Wu, S Das Sarma - Physical review letters, 2020‏ - APS
We propose MnBi 2 n Te 3 n+ 1 as a magnetically tunable platform for realizing various
symmetry-protected higher-order topology. Its canted antiferromagnetic phase can host …

Observation of a higher-order topological bound state in the continuum

A Cerjan, M Jürgensen, WA Benalcazar, S Mukherjee… - Physical review …, 2020‏ - APS
Higher-order topological insulators are a recently discovered class of materials that can
possess zero-dimensional localized states regardless of the dimension of the system. Here …

Second-order topological non-Hermitian skin effects

R Okugawa, R Takahashi, K Yokomizo - Physical Review B, 2020‏ - APS
Higher-order topology realizes topologically robust corner modes as a manifestation of
nontriviality. We theoretically propose non-Hermitian skin effects which stem from the …

Engineering corner states from two-dimensional topological insulators

Y Ren, Z Qiao, Q Niu - Physical review letters, 2020‏ - APS
We theoretically demonstrate that the second-order topological insulator with robust corner
states can be realized in two-dimensional Z 2 topological insulators by applying an in-plane …

Universal approach to magnetic second-order topological insulator

C Chen, Z Song, JZ Zhao, Z Chen, ZM Yu, XL Sheng… - Physical Review Letters, 2020‏ - APS
We propose a universal practical approach to realize magnetic second-order topological
insulator (SOTI) materials, based on properly breaking the time reversal symmetry in …

Robust second-order topological insulators with giant valley polarization in two-dimensional honeycomb ferromagnets

R Li, N Mao, X Wu, B Huang, Y Dai, C Niu - Nano Letters, 2022‏ - ACS Publications
Magnetic topological states have attracted great attention that provide exciting platforms for
exploring prominent physical phenomena and applications of topological spintronics. Here …

Spin-resolved topology and partial axion angles in three-dimensional insulators

KS Lin, G Palumbo, Z Guo, Y Hwang… - Nature …, 2024‏ - nature.com
Symmetry-protected topological crystalline insulators (TCIs) have primarily been
characterized by their gapless boundary states. However, in time-reversal-(T-) invariant …

Fractional disclination charge in two-dimensional -symmetric topological crystalline insulators

T Li, P Zhu, WA Benalcazar, TL Hughes - Physical Review B, 2020‏ - APS
Robust fractional charge localized at disclination defects has recently been found as a
topological response in C 6-symmetric 2D topological crystalline insulators (TCIs). In this …