Topological insulator band theory usually neglects electron correlations as these are overridden by spin–orbit coupling. Now, two papers strongly confine 1D topological edge states in order to study the effect of correlations.

中文翻译：

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拓扑绝缘体能带理论通常会忽略电子相关性，因为这些相关性会被自旋-轨道耦合所覆盖。现在，有两篇论文强烈地限制了1D拓扑边缘状态，以研究相关性的影响。