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math.AP2022
Transmission properties of space-time modulated metamaterials
Habib Ammari, Jinghao Cao, Xinmeng Zeng
We prove the possibility of achieving exponentially growing wave propagation in space-time modulated media and give an asymptotic analysis of the quasifrequencies in terms of the a…
math.AP2022
Unidirectional edge modes in time-modulated metamaterials
Habib Ammari, Jinghao Cao
We prove the possibility of achieving unidirectional edge modes in time-modulated supercell structures. Such finite structures consist of two trimers repeated periodically. Because…