Dynamical poles from Green's function analytic continuation, rather than static bound states, control late-time dynamics in non-Hermitian impurity scattering.
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Small material loss in non-Hermitian photonic crystals with matched real permittivity opens a quasi-bandgap at the Brillouin zone boundary, producing sharp reflectivity peaks explained by second-order perturbation theory.
Algebraic states in continuum (AICs) with 1/|r| decay exist inside the bulk continuum of 2D non-Hermitian systems with one impurity, with an analytically derived threshold condition, and are absent in Hermitian or 1D non-Hermitian cases.
A levitated nanoparticle platform achieves unidirectional inter-axial coupling via non-Hermitian dynamics, resulting in spontaneous cooling of one mechanical mode.
citing papers explorer
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Dynamical Poles in Non-Hermitian Impurity Scattering
Dynamical poles from Green's function analytic continuation, rather than static bound states, control late-time dynamics in non-Hermitian impurity scattering.
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Quasi-bandgap behavior in non-Hermitian photonic crystals
Small material loss in non-Hermitian photonic crystals with matched real permittivity opens a quasi-bandgap at the Brillouin zone boundary, producing sharp reflectivity peaks explained by second-order perturbation theory.
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Algebraic States in Continuum in $ d\gt 1$ Dimensional Non-Hermitian Systems
Algebraic states in continuum (AICs) with 1/|r| decay exist inside the bulk continuum of 2D non-Hermitian systems with one impurity, with an analytically derived threshold condition, and are absent in Hermitian or 1D non-Hermitian cases.
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Unidirectional Inter-Axial Coupling and Spontaneous Cooling in a~Non-Hermitian Dynamics of a~Levitated Particle
A levitated nanoparticle platform achieves unidirectional inter-axial coupling via non-Hermitian dynamics, resulting in spontaneous cooling of one mechanical mode.