Yugui Yao
5 papers · Latest:
Nonlinear Hall quantum oscillations to probe topological Brown-Zak fermions in graphene moiré systems
This paper introduces and experimentally verifies a new type of nonlinear Hall quantum oscillation in graphene moiré systems, revealing topological Brown-Zak fermions.
Theory of quantum decoherence in macroscopic topological insulators
This paper develops a theory of quantum decoherence in macroscopic topological insulators, revealing new mechanisms and scaling laws for the spin Hall effect.
Metalization of topological insulators
This paper reveals how quantum decoherence drives "metalization" in topological insulators, providing a new transport paradigm beyond the Drude model.
Magnetoresistance from decoherence
This paper reveals a new mechanism for magnetoresistance, showing it originates from quantum decoherence and scales linearly with impurity density.
Type-I and Type-II Saddle Points and a Topological Flat Band in a Bi-Pyrochlore Superconductor CsBi2
Researchers found a topological flat band and type-I/II saddle points in the 3D superconductor CsBi2, enhancing its electron density of states.
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