The localization length of the non-Hermitian skin effect is encoded in the quantum metric of right eigenstates, exhibiting power-law divergences at gapless points and discontinuities at cusps of the generalized Brillouin zone.
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The non-Hermitian winding number of the reflection matrix links to the bulk Floquet invariant through boundary resonances, and the momentum-integrated Goos-Hänchen shift quantitatively measures the gap's topological invariant.
Non-Hermitian Floquet systems host gapless symmetry-protected topological phases with unified winding numbers and robust edge modes surviving at criticality.
citing papers explorer
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Quantum geometry of the non-Hermitian skin effect
The localization length of the non-Hermitian skin effect is encoded in the quantum metric of right eigenstates, exhibiting power-law divergences at gapless points and discontinuities at cusps of the generalized Brillouin zone.
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Probing Floquet topological phases via non-Hermitian skin effect of reflected waves
The non-Hermitian winding number of the reflection matrix links to the bulk Floquet invariant through boundary resonances, and the momentum-integrated Goos-Hänchen shift quantitatively measures the gap's topological invariant.
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Topology and edge modes surviving criticality in non-Hermitian Floquet systems
Non-Hermitian Floquet systems host gapless symmetry-protected topological phases with unified winding numbers and robust edge modes surviving at criticality.