Supersonic kinks in active solids
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WHTW01 - Factorisation of matrix functions: New techniques and applications
To show that steadily propagating nonlinear waves in active matter can be driven internally, we develop a prototypical model of a topological kink moving with a constant supersonic speed in a discrete bi-stable FPU chain capable of generating active stress. In contrast to subsonic kinks in such systems, that are necessarily dissipative, the obtained supersonic solutions are purely anti-dissipative. Joint work with N. Gorbushin.
This talk is part of the Isaac Newton Institute Seminar Series series.
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