Realization of Qi-Wu-Zhang model in spin-orbit-coupled ultracold fermions
Ming-Cheng Liang, Yudong Wei, Long Zhang, Xu-Jie Wang, Han Zhang, Wenwei Wang, Qi Wei, Xiong-Jun Liu, Xibo Zhang
Abstract
An experimental realization of the Qi-Wu-Zhang model for the quantum anomalous Hall effect is achieved based on ultracold fermions with two-dimensional spin-orbit coupling. A robust experimental protocol of pump-probe quench measurement is developed to precisely determine, with minimal heating, the properties of topological quantum systems with a limited lifetime.
Topics & Concepts
FermionRealization (probability)ZhàngPhysicsSpin (aerodynamics)Coupling (piping)Orbit (dynamics)QuantumUltracold atomQuantum mechanicsSpin–orbit interactionTheoretical physicsMathematicsEngineeringAerospace engineeringChinaThermodynamicsStatisticsLawPolitical scienceMechanical engineeringTopological Materials and PhenomenaQuantum many-body systemsCold Atom Physics and Bose-Einstein Condensates