Non-Reciprocal Supratransmission in Mechanical Lattices with Non-Local Feedback Control Interactions

نویسندگان

چکیده

We numerically investigate the supratransmission phenomenon in an active nonlinear system modeled by 1D/2D discrete sine-Gordon equation with non-local feedback. While, at a given frequency, typical passive exhibits single amplitude threshold marking onset of phenomenon, we show that inclusion feedback manifests additional thresholds depend upon specific boundary from which is stimulated, realizing asymmetric (i.e., non-reciprocal) dynamics. The results illustrate new means controlling wave propagation and energy transport for, e.g., signal amplification mechanical logic.

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ژورنال

عنوان ژورنال: Crystals

سال: 2021

ISSN: ['2073-4352']

DOI: https://doi.org/10.3390/cryst11020094