Exact open-boundary solution of a spin-orbit-coupled Hatano-Nelson chain shows a momentum-dependent identity term deforms the GBZ and induces topological edge states and zero modes without chiral symmetry.
(S13) Here the coefficients /u1D434, /u1D435, and /u1D436in Eqs
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Non-Hermitian topology driven by an identity term: An exactly solvable paradigm
Exact open-boundary solution of a spin-orbit-coupled Hatano-Nelson chain shows a momentum-dependent identity term deforms the GBZ and induces topological edge states and zero modes without chiral symmetry.