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20192024
most citedHomotopy, Symmetry, and Non-Hermitian Band Topology

41 citations · 109 across the 6 of their papers we have counts for

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quant-ph2022★ 30 cited

Symmetry-protected exceptional and nodal points in non-Hermitian systems

Sharareh Sayyad, Marcus Stalhammar, Lukas Rodland +1

One of the unique features of non-Hermitian~(NH) systems is the appearance of non-Hermitian degeneracies known as exceptional points~(EPs). The extensively studied defective EPs oc…