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Article Dans Une Revue Applied Physics Letters Année : 2023

Nucleation of transition waves via collisions of elastic vector solitons

Résumé

In this work, we show that collisions of one type of nonlinear wave can lead to generation of a different kind of nonlinear wave. Specifically, we demonstrate the formation of topological solitons (or transition waves) via collisions of elastic vector solitons, another type of nonlinear wave, in a multistable mechanical system with coupling between translational and rotational degrees of freedom. We experimentally observe the nucleation of a phase transformation arising from colliding waves, and we numerically investigate head-on and overtaking collisions of solitary waves with vectorial properties (i.e., elastic vector solitons). Unlike KdV-type solitons, which maintain their shape despite collisions, our system shows that collisions of two vector solitons can cause nucleation of a new phase via annihilation of the vector solitons, triggering the propagation of transition waves. The propagation of these depends both on the amount of energy carried by the vector solitons and on their respective rotational directions. The observation of the initiation of transition waves with collisions of vector solitons in multistable mechanical systems is an unexplored area of fundamental nonlinear wave interactions and could also prove useful in applications involving reconfigurable structures.

Dates et versions

hal-04291181 , version 1 (17-11-2023)

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Hiromi Yasuda, Hang Shu, Weijian Jiao, Vincent Tournat, Jordan Raney. Nucleation of transition waves via collisions of elastic vector solitons. Applied Physics Letters, 2023, 123 (5), ⟨10.1063/5.0156023⟩. ⟨hal-04291181⟩
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