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Topological transitions induced by antiferromagnetism in a thin-film topological insulator
Qing Lin He, Gen Yin, Luyan Yu +14
Ferromagnetism in topological insulators (TIs) opens a topologically non-trivial exchange band gap, providing an exciting platform to manipulate the topological order through an ex…
Time-Reversal-Symmetry-Breaking Superconductivity in Epitaxial Bismuth/Nickel Bilayers
Xinxin Gong, Mehdi Kargarian, Alex Stern +6
Superconductivity that spontaneously breaks time-reversal symmetry (TRS) has been found, so far, only in a handful of 3D crystals with bulk inversion symmetry. Here we report an ob…
Kondo insulator SmB6 under strain: surface dominated conduction near room temperature
A. Stern, M. Dzero, V. M. Galitski +2
SmB6 is a strongly correlated mixed-valence Kondo insulator with a newly discovered surface state, proposed to be of non-trivial topological origin. However, the surface state domi…
Chiral Majorana edge state in a quantum anomalous Hall insulator-superconductor structure
Qing Lin He, Lei Pan, Alexander L. Stern +16
After the recognition of the possibility to implement Majorana fermions using the building blocks of solid-state matters, the detection of this peculiar particle has been an intens…