Colloquium: Quantum anomalous Hall effect

CZ Chang, CX Liu, AH MacDonald - Reviews of Modern Physics, 2023 - APS
The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

Quantum metric nonlinear Hall effect in a topological antiferromagnetic heterostructure

A Gao, YF Liu, JX Qiu, B Ghosh, T V. Trevisan, Y Onishi… - Science, 2023 - science.org
Quantum geometry in condensed-matter physics has two components: the real part quantum
metric and the imaginary part Berry curvature. Whereas the effects of Berry curvature have …

Exploring the Epitaxial Growth Kinetics and Anomalous Hall Effect in Magnetic Topological Insulator MnBi2Te4 Films

J Luo, Q Tong, Z Jiang, H Bai, J Wu, X Liu, S Xie… - ACS …, 2023 - ACS Publications
The discovery of MnBi2Te4-based intrinsic magnetic topological insulators has fueled
tremendous interest in condensed matter physics, owing to their potential as an ideal …

[HTML][HTML] Photocurrents, inverse Faraday effect, and photospin Hall effect in Mn2Au

M Merte, F Freimuth, D Go, T Adamantopoulos, FR Lux… - APL materials, 2023 - pubs.aip.org
Among antiferromagnetic materials, Mn 2 Au is one of the most intensively studied, and it
serves as a very popular platform for testing various ideas related to antiferromagnetic …

Ubiquitous Order‐Disorder Transition in the Mn Antisite Sublattice of the (MnBi2Te4)(Bi2Te3)n Magnetic Topological Insulators

M Sahoo, IJ Onuorah, LC Folkers… - Advanced …, 2024 - Wiley Online Library
Magnetic topological insulators (TIs) herald a wealth of applications in spin‐based
technologies, relying on the novel quantum phenomena provided by their topological …

Electrically Controlled Anomalous Hall Effect and Orbital Magnetization in Topological Magnet

R Mei, YF Zhao, C Wang, Y Ren, D Xiao, CZ Chang… - Physical review …, 2024 - APS
We propose an intrinsic mechanism to understand the even-odd effect, namely, opposite
signs of anomalous Hall resistance and different shapes of hysteresis loops for even and …

Avoided Quantum Tricritical Point and Emergence of a Canted Magnetic Phase in

RR Ullah, JS Harvey, H Jin, Y Wu, HB Cao… - Physical Review Letters, 2024 - APS
New phases or new phenomena are often observed near-zero temperature phase
transitions. These new effects represent nature's way of avoiding quantum critical phase …

[HTML][HTML] Origin of the exotic electronic states in antiferromagnetic NdSb

P Li, T Li, S Liao, Z Cao, R Xu, Y Wang, J Yao… - npj Quantum …, 2023 - nature.com
Using angle resolved photoemission spectroscopy measurements and first principle
calculations, we report that the possible unconventional 2q antiferromagnetic (AFM) order in …

Josephson coupling across magnetic topological insulator MnBi2Te4

T Jansen, E Kochetkova, A Isaeva… - Communications …, 2024 - nature.com
Topological superconductors hosting Majorana zero modes are of great interest for both
fundamental physics and potential quantum computing applications. In this work, we …

Giant Domain Wall Anomalous Hall Effect in a Layered Antiferromagnet

W Xia, B Bai, X Chen, Y Yang, Y Zhang, J Yuan, Q Li… - Physical Review Letters, 2024 - APS
Generally, the dissipationless Hall effect in solids requires time-reversal symmetry breaking
(TRSB), where TRSB induced by external magnetic field results in the ordinary Hall effect …