Abstract
The structure of moving domain walls in thin films having a uniaxial anisotropy axis in the plane of the film is calculated by a variational method. The calculation applies for wall velocities ν smaller than a critical velocity at which the derivative of the wall energy with respect to ν becomes infinite. At intermediate film thicknesses the critical velocity is much smaller, the effective wall mass (per unit area) much larger than for bulk crystals and/or very thin films.
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