Quantum-limit Chern topological magnetism in TbMn6Sn6

JX Yin, W Ma, TA Cochran, X Xu, SS Zhang, HJ Tien… - Nature, 2020 - nature.com
The quantum-level interplay between geometry, topology and correlation is at the forefront of
fundamental physics,,,,,,,,,,,,,–. Kagome magnets are predicted to support intrinsic Chern …

Strongly correlated Chern insulators in magic-angle twisted bilayer graphene

KP Nuckolls, M Oh, D Wong, B Lian, K Watanabe… - Nature, 2020 - nature.com
Interactions between electrons and the topology of their energy bands can create unusual
quantum phases of matter. Most topological electronic phases appear in systems with weak …

Nematicity and competing orders in superconducting magic-angle graphene

Y Cao, D Rodan-Legrain, JM Park, NFQ Yuan… - science, 2021 - science.org
Strongly interacting electrons in solid-state systems often display multiple broken
symmetries in the ground state. The interplay between different order parameters can give …

Spectroscopic signatures of many-body correlations in magic-angle twisted bilayer graphene

Y Xie, B Lian, B Jäck, X Liu, CL Chiu, K Watanabe… - Nature, 2019 - nature.com
The discovery of superconducting and insulating states in magic-angle twisted bilayer
graphene (MATBG), has ignited considerable interest in understanding the nature of …

Electronic correlations in twisted bilayer graphene near the magic angle

Y Choi, J Kemmer, Y Peng, A Thomson, H Arora… - Nature physics, 2019 - nature.com
Twisted bilayer graphene with a twist angle of around 1.1° features a pair of isolated flat
electronic bands and forms a platform for investigating strongly correlated electrons. Here …

Visualizing broken symmetry and topological defects in a quantum Hall ferromagnet

X Liu, G Farahi, CL Chiu, Z Papic, K Watanabe… - Science, 2022 - science.org
The interaction between electrons in graphene under high magnetic fields drives the
formation of a rich set of quantum Hall ferromagnetic (QHFM) phases with broken spin or …

Evidence of two-dimensional flat band at the surface of antiferromagnetic kagome metal FeSn

M Han, H Inoue, S Fang, C John, L Ye, MK Chan… - Nature …, 2021 - nature.com
The kagome lattice has long been regarded as a theoretical framework that connects lattice
geometry to unusual singularities in electronic structure. Transition metal kagome …

Unidirectional electron–phonon coupling in the nematic state of a kagome superconductor

P Wu, Y Tu, Z Wang, S Yu, H Li, W Ma, Z Liang… - Nature Physics, 2023 - nature.com
Electronic nematicity has been commonly observed in juxtaposition with unconventional
superconductivity. Understanding the nature of the nematic state and its consequences for …

Valleytronics in merging Dirac cones: All-electric-controlled valley filter, valve, and universal reversible logic gate

YS Ang, SA Yang, C Zhang, Z Ma, LK Ang - Physical Review B, 2017 - APS
Despite much anticipation of valleytronics as a candidate to replace the aging
complementary metal-oxide-semiconductor (CMOS) based information processing, its …

Topology on a new facet of bismuth

CH Hsu, X Zhou, TR Chang, Q Ma… - Proceedings of the …, 2019 - National Acad Sciences
Bismuth-based materials have been instrumental in the development of topological physics,
even though bulk bismuth itself has been long thought to be topologically trivial. A recent …