Fig. 1: Conceptual illustration of the virtual gain effect. | Nature Communications

Fig. 1: Conceptual illustration of the virtual gain effect.

From: Transient non-Hermitian skin effect

Fig. 1

a The effects due to simultaneous modulations on k and ω in the complex plane. The green and yellow regions exhibit virtual loss and gain effects, respectively. The blue line denotes the critical points. b The field distributions for the three cases that are marked as stars in (a).

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