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cond-mat.mes-hall2024
Coupled harmonics due to time-modulated point scatterers
Erik Orvehed Hiltunen, Bryn Davies
We consider the resonance and scattering properties of a composite medium containing scatterers whose properties are modulated in time. When excited with an incident wave of a sing…
cond-mat.mes-hall2024
A two-scale effective model for defect-induced localization transitions in non-Hermitian systems
Bryn Davies, Silvio Barandun, Erik Orvehed Hiltunen +2
We illuminate the fundamental mechanism responsible for the transition between the non-Hermitian skin effect and defect-induced localization in the bulk. We study a Hamiltonian wit…