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.
In non-Hermitian Josephson junctions the supercurrent includes a term proportional to the phase derivative of Andreev level broadening, providing a detectable signature of non-Hermiticity away from exceptional points.
Band inversion reverses the winding number of polarization singularities at bound states in the continuum in photonic slabs and metasurfaces.
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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Supercurrent from the imaginary part of the Andreev levels in non-Hermitian Josephson junctions
In non-Hermitian Josephson junctions the supercurrent includes a term proportional to the phase derivative of Andreev level broadening, providing a detectable signature of non-Hermiticity away from exceptional points.
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Band Inversion Flips the Winding of Bound States in the Continuum
Band inversion reverses the winding number of polarization singularities at bound states in the continuum in photonic slabs and metasurfaces.