The quantum anomalous Hall(QAH)effect,characterized by dissipationless chiral edge states without requiring an external magnetic field,represents a cornerstone of topological physics.The first experimental observation...The quantum anomalous Hall(QAH)effect,characterized by dissipationless chiral edge states without requiring an external magnetic field,represents a cornerstone of topological physics.The first experimental observation of the QAH effect was achieved in chromium-doped(Bi,Sb)2Te 3 topological insulator(TI)thin films[1].展开更多
文摘The quantum anomalous Hall(QAH)effect,characterized by dissipationless chiral edge states without requiring an external magnetic field,represents a cornerstone of topological physics.The first experimental observation of the QAH effect was achieved in chromium-doped(Bi,Sb)2Te 3 topological insulator(TI)thin films[1].