Multiscale simulation of Bloch point dynamics in thick nanowires

R. Hertel1; C. Andreas1,2    1 Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS) and Université de Strasbourg, Strasbourg, France2 Peter Grünberg Institut (PGI-6), Forschungszentrum Jülich, Jülich, Germany


Bloch points are fundamental micromagnetic structures that, because of their atomistic-continuum multiscale nature, represent a challenge for the investigation of their static and dynamic properties. In sufficiently thick cylindrical magnetic nanowires, Bloch points are typically located in the center of a domain wall, and their motion is decisive to understand the magnetization reversal processes. We present a numerical method that resolves the ...

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