Energy barriers in three-dimensional micromagnetic models and the physics of thermoviscous magnetization

  title={Energy barriers in three-dimensional micromagnetic models and the physics of thermoviscous magnetization},
  author={Karl Fabian and V. P. Shcherbakov},
  journal={Geophysical Journal International},
A first principle micromagnetic and statistical calculation of viscous remanent magnetization (VRM) in an ensemble of cubic magnetite pseudo single-domain particles is presented. This is achieved by developing a fast relaxation algorithm for finding optimal transition paths between micromagnetic local energy minima. It combines a nudged elastic band technique with action minimization. Initial paths are obtained by repetitive minimizations of modified energy functions. For a cubic pseudo-single… 

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