MAGNETIC SOLITONS

We present a survey of the physical nature of solitons in magnetically ordered crystals. The description of such solitons is based on both classical and quasi-classical mechanics. The magnetic soliton is regarded as a bound state of a large number of elementary magnetic excitations, i.e. magnons. Mathematical considerations of solitons in one-, two- and three-dimensional magnets are proposed. Dynamic and topological solitons, domain walls, rotary waves, magnetic vortices and magnon drops are treated in terms of the general approach. Both ferromagnets with different types of anisotropy (easy axis, easy plane, XYZ-anisotropy) and antiferromagnets are discussed. The difference between dynamic and topological solitons is explained. © 1990.