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霍尔电导率 via Wilson Loop
source link: https://zhuanlan.zhihu.com/p/34715681
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对于二维的霍尔体系，我们一直使用线性响应理论导出它的横向霍尔电导。但是对于其中的推导略显麻烦。所以我尝试从一种新的方法来做这个问题--Wilson loop。这个规范场的概念可以平行迁移到波函数的纤维丛上来，因…
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