Non-Hermitian skin effect emerges at corners and edges in a 2D photonic crystal with lossy magneto-optical materials, protected by point gaps in complex eigenfrequencies, along with topological edge states.
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Skin effects in non-Hermitian Luttinger liquids fractionalize by symmetry, producing decoupled spin and charge skin modes at low energies plus an interaction-enabled E8 skin effect absent in free fermions.
Complex Wannier centers derived from nonunitary Wilson loops in non-Hermitian Hamiltonians predict directional drift of Wannier functions and a bulk-boundary correspondence for filling anomalies and gain/loss in edge modes.
citing papers explorer
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Non-Hermitian corner skin effect in a two-dimensional photonic crystal
Non-Hermitian skin effect emerges at corners and edges in a 2D photonic crystal with lossy magneto-optical materials, protected by point gaps in complex eigenfrequencies, along with topological edge states.
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Symmetry-Fractionalized Skin Effects in Non-Hermitian Luttinger Liquids
Skin effects in non-Hermitian Luttinger liquids fractionalize by symmetry, producing decoupled spin and charge skin modes at low energies plus an interaction-enabled E8 skin effect absent in free fermions.
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Complex Wannier centers and drifting Wannier functions in non-Hermitian Hamiltonians
Complex Wannier centers derived from nonunitary Wilson loops in non-Hermitian Hamiltonians predict directional drift of Wannier functions and a bulk-boundary correspondence for filling anomalies and gain/loss in edge modes.