Journal
PHYSICA B-CONDENSED MATTER
Volume 343, Issue 1-4, Pages 177-183Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2003.08.090
Keywords
micromagnetics; exchange; convergence
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Exchange energy is especially sensitive to the numerical representation selected. We compare three discretized exchange energy formulations for 3D numerical micromagnetics on rectangular grids. Explicit formulae are provided for both Neumann and Dirichlet boundary conditions. Results illustrate the convergence order of these methods as a function of discretization cell size and the effect of cell size on vortex pinning. Published by Elsevier B.V.
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