Quarter- and half-filled quantum Hall states and their topological orders revealed by daughter states in bilayer graphene
Our devices (device 1 and device 2) consist of BLG encapsulated by hexagonal boron nitride (hBN) and graphite…
Quantum spin Hall effect in magnetic graphene
We bring graphene in the van der Waals proximity of the interlayer antiferromagnet, CrPS4 (CPS), which is an…
A soft-clamped topological waveguide for phonons
Ozawa, T. et al. Topological photonics. Rev. Mod. Phys. 91, 015006 (2019). Article ADS MathSciNet CAS Google Scholar …
Bulk–spatiotemporal vortex correspondence in gyromagnetic zero-index media
Huang, X., Lai, Y., Hang, Z. H., Zheng, H. & Chan, C. T. Dirac cones induced by accidental…
Microscopic signatures of topology in twisted MoTe2
Wang, L. et al. Correlated electronic phases in twisted bilayer transition metal dichalcogenides. Nat. Mater. 19, 861–866 (2020).…
Photonic axion insulator with non-coplanar chiral hinge transport
3D AXIs stacked from 2D We start from the 2D single-layer QAH material hosting metallic 1D chiral edge…
Antiferromagnetic quantum anomalous Hall effect under spin flips and flops
Otrokov, M. M. et al. Prediction and observation of an antiferromagnetic topological insulator. Nature 576, 416–422 (2019). Article …
Weyl phonons: the connection of topology and chirality
Topological phonons Like topological electronic quasiparticles, topological phonons are characterized by topological invariants that are intimately related to…