Flaming 2π kinks in parametrically driven systems.
basic_science · Level V
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Abstract
Macroscopic extended systems with dissipation and injection of energy can exhibit particlelike solutions. Dissipative kinks with an oscillatory cloak and a family of localized states that connect uniform symmetric states in a magnetic wire forced with a transversal oscillatory magnetic field and in a parametrically driven damped pendula chain are studied. The oscillatory cloak is composed of evanescent waves emitted at the kink position and generated by a resonant mechanism. These waves mediate the kink interaction and generate a family of localized states.