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Conferences > CLEO_QELS > 2022 > FF2C > FF2C.2

Eigenvalue Topology of Non-Hermitian Band Structures in Two and Three Dimensions

Casey Wojcik, Kai Wang, Avik Dutt, Janet Zhong, and Shanhui Fan

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Abstract

In one dimension, eigenvalue topology of non-Hermitian photonic systems is classified by the braid group. Here, we give a complete description of the much richer eigenvalue topology in two and three dimensions.

© 2022 The Author(s)

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