ON THE PROPAGATION OF BINARY SIGNALS IN A TWO-DIMENSIONAL NONLINEAR LATTICE WITH NEAREST-NEIGHBOR INTERACTIONS

In this work, we use a computational technique with multiple properties of consistency in order to approximate solutions of a bounded β-Fermi–Pasta–Ulam lattice in two space dimensions subject to harmonic driving in two adjacent boundaries. The processes of nonlinear supratransmission and infratransmission are employed in order to propagate binary signals in the medium by means of a suitable modulation of the driving amplitude.

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