Knot topology of exceptional point and non-Hermitian no-go theorem

Haiping Hu, Shi-Kang Sun, Shu Chen

Type: Article

Publication Date: 2022-06-27

Citations: 47

DOI: https://doi.org/10.1103/physrevresearch.4.l022064

Abstract

The authors formulate a homotopy classification and knot theory of exceptional points and present a non-Hermitian no-go theorem governing the possible configurations of exceptional points and their splitting rules on a two-dimensional lattice.

Locations

Physical Review Research - View - PDF
arXiv (Cornell University) - View - PDF
DataCite API - View

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