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Parallel micromagnetic simulations using Fourier methods on a regular hexagonal lattice

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3 Author(s)
Giles, R.C. ; Coll. of Eng., Boston Univ., MA, USA ; Kotiuga, P.R. ; Mansuripur, M.

Computer simulations of the microscopic magnetic dynamics of thin films provides a means for developing theoretical understanding of the behavior of magnetic recording materials and a way of relating material parameters to magnetic behavior. Such simulations have become possible because of the availability of high-performance supercomputers (such as the Connection Machine) and by improvements in algorithms for evaluating magnetic interactions. The proper implementation of the Fourier technique on a two-dimensional hexagonal lattice is described. A naive transcription of the method as used for a rectangular lattice leads to serious aliasing problems for short wavelengths. The implementation described reduces these effects.

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Magnetics, IEEE Transactions on  (Volume:27 ,  Issue: 5 )