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20232026
most citedBraids and Higher-order Exceptional Points from the Interplay Between Lossy Defects and Topological Boundary States

7 citations · 7 across the 5 of their papers we have counts for

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cond-mat.mes-hall2023★ 7 cited

Braids and Higher-order Exceptional Points from the Interplay Between Lossy Defects and Topological Boundary States

Zi-Jian Li, Gabriel Cardoso, Emil J. Bergholtz +1

We show that the perturbation of the Su-Schrieffer-Heeger chain by a localized lossy defect leads to higher-order exceptional points (HOEP). Depending on the location of the defect…