We present a new method to simulate repetitive ferromagnetic structures. This macrogeometry approach combines treatment of short-range interactions (i.e., the exchange field) as for periodic boundary conditions with a specification of the arrangement of copies of the primary simulation cell in order to correctly include effects of the demagnetizing field. This method (i) solves a consistency problem that prevents the naive application of three-dimensional periodic boundary conditions in micromagnetism and (ii) is well suited for the efficient simulation of repetitive systems of any size. © 2009 American Institute of Physics.
CITATION STYLE
Fangohr, H., Bordignon, G., Franchin, M., Knittel, A., De Groot, P. A. J., & Fischbacher, T. (2009). A new approach to (quasi) periodic boundary conditions in micromagnetics: The macrogeometry. Journal of Applied Physics, 105(7). https://doi.org/10.1063/1.3068637
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