Mathematical Physics
[Submitted on 2 Nov 2023
]
Title: Topological edge spectrum along curved interfaces
Title: 弯曲界面的拓扑边缘谱
Abstract: We prove that that if the boundary of a topological insulator divides the plane in two regions containing arbitrarily large balls, then it acts as a conductor. Conversely, we show that topological insulators that fit within strips do not need to admit conducting boundary modes.
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