Topological insulators exhibit unidirectional flow of robust electric charge at the edge of the system. Two recent experiments have observed these chiral edge modes in exceptionally controllable settings of ultracold atoms.

中文翻译：

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超冷原子被推到边缘


拓扑绝缘体在系统边缘表现出强大电荷的单向流动。最近的两项实验在超冷原子的异常可控环境中观察到了这些手性边缘模式。