Thermally activated interface motion in a disordered ferromagnet

Physics – Condensed Matter – Statistical Mechanics

Scientific paper

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accepted for publication in Computer Physics Communications

Scientific paper

10.1016/S0010-4655(01)00375-7

We investigate interface motion in disordered ferromagnets by means of Monte
Carlo simulations. For small temperatures and driving fields a so-called creep
regime is found and the interface velocity obeys an Arrhenius law. We analyze
the corresponding energy barrier as well as the field and temperature
dependence of the prefactor.

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