Theory for the spatiotemporal dynamics of domain walls close to a nonequilibrium Ising-Bloch transition

Physical Review Letters
Damià GomilaDaniel Walgraef

Abstract

We derive a generic model for the interaction of domain walls close to a nonequilibrium-Bloch transition. The universal scenario predicted by the model includes stationary Ising and Bloch localized structures (dissipative solitons), as well as drifting and oscillating Bloch structures. Our theory also explains the behavior of Bloch walls during a collision. The results are confirmed by numerical simulations of the Ginzburg-Landau equation forced at twice its natural frequency and are in agreement with previous observations in several physical systems.

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Citations

Sep 15, 2016·Physical Review. E·A V YulinA S Shalin
Aug 8, 2015·Physical Review Letters·F GustaveS Barland
May 10, 2019·Journal of Mathematical Biology·Lorenzo Contento, Masayasu Mimura

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