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Conferences > CLEO_QELS > 2018 > FM2Q > FM2Q.4

Effects of non-Hermitian perturbations on Weyl Hamiltonians with arbitrary topological charges

Alexander Cerjan, Meng Xiao, Luqi Yuan, and Shanhui Fan

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Abstract

We provide a systematic study of non-Hermitian topologically charged systems, demonstrating that adding an arbitrary non-Hermitian perturbation transforms the Weyl points to one-dimensional exceptional contours, and can yield a topological phase transition.

© 2018 The Author(s)

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