Abstract
Interactions of domain walls are analyzed with relevance to formation of stationary bubbles (bound state of two domain walls) and bound states of many domains in one-dimensional systems. We investigate the domain structures in ferromagnets which are described with the Landau Lifshitz equation as well as the domains in critical systems described with the Ginzburg Landau equation. Supplementing previous author studies on the creation of hard bubbles [formed by one Bloch domain wall and one Neel (Ising) domain wall] in the presence of an external (magnetic) eld, the soft bubbles consisting of two Bloch domain walls or two Neel (Ising) domain walls are studied in detail. The interactions of two domain walls of the same kind are studied in the framework of a perturbation calculus.
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