Complexes of Domain Walls in One-Dimensional Ferromagnets Near and Far from Phase Transition

• Authors: A. Janutka
• Languages of publication: EN

Abstracts

EN

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 Néel (Ising) domain wall] in the presence of an external (magnetic) field, the soft bubbles consisting of two Bloch domain walls or two Néel (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.

Keywords

EN

05.45.Yv; 64.60.Ht; 75.70.Kw; 75.78.Fg; 77.80.Dj

Discipline

• 75.78.Fg: Dynamics of domain structures
• 77.80.Dj: Domain structure; hysteresis(for domain structure and hysteresis in ferromagnetic materials, see 75.60.-d)
• 64.60.Ht: Dynamic critical phenomena(for quantum critical phenomena in superconductivity, see 74.40.Kb)
• 75.70.Kw: Domain structure (including magnetic bubbles and vortices)(for domain structure in ferroelectricity and antiferroelectricity, see 77.80.Dj)
• 05.45.Yv: Solitons(see 52.35.Sb for solitons in plasma; for solitons in acoustics, see 43.25.Rq—in Acoustics Appendix; see 42.50.Md, 42.65.Tg, 42.81.Dp for solitons in optics; see also 03.75.Lm in matter waves; for solitons in space plasma physics, see 94.05.Fg; for solitary waves in fluid dynamics, see 47.35.Fg)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 1
• Pages: 23-28

Dates

published

2013-07

received

2012-11-30

(unknown)

2013-03-27

Contributors

author

A. Janutka

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

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Identifiers

DOI

10.12693/APhysPolA.124.23