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。

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.

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