Word spread quickly, and physicist Zahid Hasan and his student David Hsieh at Princeton University started to look for topological behaviour in bismuth alloys prepared by their colleague Robert Cava.

这消息不胫而走，普林斯顿大学的物理学家啊扎西德﹒哈桑和他的学生戴维﹒谢开始在他们的同事罗伯特﹒卡瓦为其准备的铋合金中寻找拓扑反应。

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