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    High-order exceptional points in non-Hermitian Moiré lattices

    This study proposes an approach to generate high-order exceptional points (EPs) in non-Hermitian systems. A system comprising a homogenous waveguide is considered wherein the imaginary part of the refractive i...

    Yan-Rong Zhang, Ze-Zheng Zhang, Jia-Qi Yuan, Ming Kang, **g Chen in Frontiers of Physics (2019)