# Stochastic homogenization of the Landau-Lifshitz-Gilbert equation

**Authors:** Fran\c{c}ois Alouges (CMAP), Anne De Bouard (CMAP), Beno\^it Merlet, (LPP, RAPSODI ), L\'ea Nicolas (CMAP)

arXiv: 1902.05743 · 2019-02-18

## TL;DR

This paper develops a stochastic homogenization framework for nonlinear equations like harmonic maps into spheres and the Landau-Lifshitz equation, addressing their complex nonlinear features and non-uniqueness of solutions.

## Contribution

It introduces a stochastic two-scale convergence method to establish homogenization results for these nonlinear equations with non-unique solutions.

## Key findings

- Homogenization theorem for stochastic nonlinear equations
- Application to harmonic maps into spheres
- Extension to Landau-Lifshitz equation

## Abstract

Following the ideas of V. V. Zhikov and A. L. Pyatnitski, and more precisely the stochastic two-scale convergence, this paper establishes a homogenization theorem in a stochastic setting for two nonlinear equations : the equation of harmonic maps into the sphere and the Landau-Lifschitz equation. These equations have strong nonlinear features, in particular, in general their solutions are not unique.

## Full text

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## Figures

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## References

19 references — full list in the complete paper: https://tomesphere.com/paper/1902.05743/full.md

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Source: https://tomesphere.com/paper/1902.05743