Abstract

The Landau-Lifshitz-Gilbert equation perturbed by a multiplicative space- dependent noise is considered for a ferromagnet filling a bounded three-dimensional do- main. We show the existence of weak martingale solutions taking values in a sphere S 2 . The regularity of weak solutions is also discussed. Some of the regularity results are new even for the deterministic Landau-Lifshitz-Gilbert equation.

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