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Topologically protected colloidal transport above a square magnetic lattice

Topologically protected colloidal transport above a square magnetic lattice - We theoretically study the motion of magnetic colloidal particles above a magnetic pattern and compare the predictions with Brownian dynamics simulations. The pattern consists of alternating square domains of positive and negative magnetization. The colloidal motion is driven by periodic modulation loops of an external magnetic field.


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Article DOI: 10.1088/1367-2630/18/10/105009
Contributed by: James Gee



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